{"id":11292,"date":"2025-09-16T15:54:44","date_gmt":"2025-09-16T06:54:44","guid":{"rendered":"https:\/\/media.value-domain.com\/?p=11292"},"modified":"2025-09-22T10:08:34","modified_gmt":"2025-09-22T01:08:34","slug":"ddns","status":"publish","type":"post","link":"https:\/\/media.value-domain.com\/ddns\/","title":{"rendered":"\u30c0\u30a4\u30ca\u30df\u30c3\u30afDNS\uff08DDNS\uff09\u3068\u306f\uff1fDDNS\u306e\u5229\u7528\u65b9\u6cd5\u3092\u5fb9\u5e95\u89e3\u8aac\uff01"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"632\" src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/09\/thumb_ddns-1-1024x632.png\" alt=\"\u30c0\u30a4\u30ca\u30df\u30c3\u30afDNS\uff08DDNS\uff09\u3068\u306f\uff1f\" class=\"wp-image-11416\" srcset=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/09\/thumb_ddns-1-1024x632.png 1024w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/09\/thumb_ddns-1-300x185.png 300w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/09\/thumb_ddns-1-768x474.png 768w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/09\/thumb_ddns-1-530x327.png 530w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/09\/thumb_ddns-1-565x349.png 565w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/09\/thumb_ddns-1-710x439.png 710w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/09\/thumb_ddns-1-725x448.png 725w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/09\/thumb_ddns-1.png 1360w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u81ea\u5b85\u30b5\u30fc\u30d0\u30fc\u3084\u76e3\u8996\u30ab\u30e1\u30e9\u3092\u5916\u51fa\u5148\u304b\u3089\u30a2\u30af\u30bb\u30b9\u3057\u305f\u3044\u3068\u304d\u306b\u5f79\u7acb\u3064\u306e\u304c\u300c\u30c0\u30a4\u30ca\u30df\u30c3\u30afDNS\uff08DDNS\uff09\u300d\u3068\u3044\u3046\u4ed5\u7d44\u307f\u3067\u3059\u3002IP\u30a2\u30c9\u30ec\u30b9\u304c\u5909\u308f\u3063\u3066\u3082\u3001\u5e38\u306b\u540c\u3058\u30c9\u30e1\u30a4\u30f3\u540d\u3067\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u305f\u3081\u3001\u52d5\u7684IP\u74b0\u5883\u3067\u3082\u5b89\u5b9a\u3057\u305f\u63a5\u7d9a\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3057\u304b\u3057\u3001DDNS\u30b5\u30fc\u30d3\u30b9\u306b\u306f\u300c\u7121\u6599\u3060\u3051\u3069\u4e0d\u5b89\u5b9a\u300d\u300c\u72ec\u81ea\u30c9\u30e1\u30a4\u30f3\u3067\u4f7f\u3048\u306a\u3044\u300d\u306a\u3069\u306e\u5236\u7d04\u3082\u591a\u304f\u3001\u9078\u3073\u65b9\u3092\u9593\u9055\u3048\u308b\u3068\u904b\u7528\u304c\u5927\u5909\u306b\u306a\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305d\u3053\u3067\u304a\u3059\u3059\u3081\u306a\u306e\u304c\u3001<strong>\u30c9\u30e1\u30a4\u30f3\u7ba1\u7406\u306e\u8001\u8217\u3067\u3042\u308b\u300c<a id=\"vn_cta_lp_vd\" class=\"ga_event_link\" style=\"color: #3366ff;\" href=\"https:\/\/www.value-domain.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u30d0\u30ea\u30e5\u30fc\u30c9\u30e1\u30a4\u30f3<\/a>\u300d\u304c\u63d0\u4f9b\u3059\u308bDDNS\u30b5\u30fc\u30d3\u30b9<\/strong>\u3067\u3059\u3002<br>Value Domain\u306a\u3089\u3001\u72ec\u81ea\u30c9\u30e1\u30a4\u30f3\u3067\u305d\u306e\u307e\u307eDDNS\u3092\u5229\u7528\u3067\u304d\u3001\u3057\u304b\u3082\u8a2d\u5b9a\u306f\u975e\u5e38\u306b\u30b7\u30f3\u30d7\u30eb\u3002<strong>\u9577\u5e74\u306e\u5b89\u5b9a\u904b\u7528\u3068\u9ad8\u3044\u4fe1\u983c\u6027\u3067\u3001\u500b\u4eba\u304b\u3089\u6cd5\u4eba\u307e\u3067\u5e45\u5e83\u304f\u652f\u6301\u3055\u308c\u3066\u3044\u307e\u3059<\/strong>\u3002<\/p>\n\n\n\n<p>\u672c\u8a18\u4e8b\u3067\u306f\u3001DDNS\u306e\u57fa\u790e\u77e5\u8b58\u304b\u3089\u3001Value Domain\u306eDDNS\u6a5f\u80fd\u306e\u8a2d\u5b9a\u624b\u9806\u3001\u5b9f\u969b\u306e\u6d3b\u7528\u4e8b\u4f8b\uff08\u76e3\u8996\u30ab\u30e1\u30e9\u3001\u81ea\u5b85\u30b5\u30fc\u30d0\u30fc\u3001\u30ea\u30e2\u30fc\u30c8\u63a5\u7d9a\u306a\u3069\uff09\u307e\u3067\u3001<strong>\u521d\u5fc3\u8005\u306b\u3082\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac<\/strong>\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-buttons\"><div class=\"wp-block-button has-custom-width wp-block-button__width-100 btn-service vd\">\n<p class=\"txt\">\u767b\u9332\u5b9f\u7e3e700\u4e07\u4ef6\uff01.com790\u5186.co.jp2,000\u5186<\/p>\n<a id=\"vn_cta_btn_lp_vd\" class=\"ga_event_link wp-block-button__link has-white-color\" href=\"https:\/\/www.value-domain.com\/\" style=\"background-color:#005bac\" target=\"_blank\" rel=\"noreferrer noopener\">\u30d0\u30ea\u30e5\u30fc\u30c9\u30e1\u30a4\u30f3\u516c\u5f0f\u30b5\u30a4\u30c8\u3092\u307f\u308b<\/a><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u30c0\u30a4\u30ca\u30df\u30c3\u30afDNS\uff08DDNS\uff09\u3068\u306f<\/h2>\n\n\n\n<p>\u30c0\u30a4\u30ca\u30df\u30c3\u30afDNS\uff08DDNS\uff09\u306f\u3001\u81ea\u5b85\u30b5\u30fc\u30d0\u30fc\u3084WEB\u76e3\u8996\u30ab\u30e1\u30e9\u6620\u50cf\u306a\u3069\u3092\u516c\u958b\u3057\u305f\u3044\u3068\u304d\u306b\u975e\u5e38\u306b\u5f79\u7acb\u3064\u6280\u8853\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u901a\u5e38\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u63a5\u7d9a\u3059\u308b\u3068\u30d7\u30ed\u30d0\u30a4\u30c0\u304b\u3089\u5272\u308a\u5f53\u3066\u3089\u308c\u308bIP\u30a2\u30c9\u30ec\u30b9\u306f\u3001\u518d\u63a5\u7d9a\u306e\u305f\u3073\u306b\u5909\u308f\u3063\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3067\u306f\u3001\u53cb\u4eba\u3084\u5916\u90e8\u304b\u3089\u7279\u5b9a\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u3063\u3066\u30a2\u30af\u30bb\u30b9\u3057\u3088\u3046\u3068\u3057\u3066\u3082\u3001IP\u30a2\u30c9\u30ec\u30b9\u304c\u5909\u308f\u308b\u305f\u3073\u306b\u63a5\u7d9a\u3067\u304d\u306a\u304f\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305d\u3053\u3067DDNS\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u305f\u3068\u3048IP\u30a2\u30c9\u30ec\u30b9\u304c\u5909\u308f\u3063\u3066\u3082\u3001\u305d\u306e\u5909\u5316\u3092\u81ea\u52d5\u7684\u306b\u691c\u77e5\u3057\u3066\u3001\u3042\u3089\u304b\u3058\u3081\u8a2d\u5b9a\u3057\u3066\u304a\u3044\u305f\u30c9\u30e1\u30a4\u30f3\u540d\uff08\u4f8b\uff1awww.example.jp\uff09\u306b\u5e38\u306b\u7d10\u4ed8\u3051\u3066\u304f\u308c\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001IP\u30a2\u30c9\u30ec\u30b9\u304c\u5909\u308f\u308b\u5fc3\u914d\u3092\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u3044\u3064\u3082\u540c\u3058\u30c9\u30e1\u30a4\u30f3\u540d\u3067\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u306e\u3067\u3059\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/09\/ddns-01.png\" alt=\"\u30c0\u30a4\u30ca\u30df\u30c3\u30afDNS\u6982\u5ff5\u56f3\" class=\"wp-image-42699\" style=\"width:600px;height:undefinedpx\" \/><\/figure><\/div>\n\n\n<p><a rel=\"noreferrer noopener\" href=\"https:\/\/www.value-domain.com\/media\/ipaddress\/\" target=\"_blank\">IP\u30a2\u30c9\u30ec\u30b9<\/a>\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3082\u305c\u3072\u3054\u53c2\u7167\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<div class=\"blogcard\"><a href=\"https:\/\/www.value-domain.com\/media\/ipaddress\/\" target=\"_blank\" rel=\"noopener noreferrer\" data-blogcard=\"1\"><\/a><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">DNS\u3068DDNS\u306e\u5171\u901a\u70b9\u3068\u9055\u3044<\/h2>\n\n\n\n<p>DNS\u3068DDNS\u306f\u3001\u3069\u3061\u3089\u3082<strong>\u300c\u30c9\u30e1\u30a4\u30f3\u540d\u3068IP\u30a2\u30c9\u30ec\u30b9\u3092\u7d50\u3073\u3064\u3051\u308b\u300d<\/strong>\u3068\u3044\u3046\u57fa\u672c\u7684\u306a\u5f79\u5272\u306f\u540c\u3058\u3067\u3059\u304c\u3001\u6271\u3046IP\u30a2\u30c9\u30ec\u30b9\u306e\u7a2e\u985e\u3068\u66f4\u65b0\u65b9\u6cd5\u306b\u5927\u304d\u306a\u9055\u3044\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">DNS\u3068DDNS\u306e\u5171\u901a\u70b9<\/h3>\n\n\n\n<p>\u3069\u3061\u3089\u306e\u6280\u8853\u3082\u3001\u4eba\u9593\u304c\u899a\u3048\u3084\u3059\u3044\u30c9\u30e1\u30a4\u30f3\u540d\uff08\u4f8b\uff1a<code>example.jp<\/code>\uff09\u3068\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u304c\u901a\u4fe1\u306b\u4f7f\u3046IP\u30a2\u30c9\u30ec\u30b9\uff08\u4f8b\uff1a<code>203.0.113.1<\/code>\uff09\u3092\u7d10\u3065\u3051\u3066\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306e\u300c\u4f4f\u6240\u300d\u3092\u7279\u5b9a\u3059\u308b\u5f79\u5272\u3092\u62c5\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30c9\u30e1\u30a4\u30f3\u540d\u3068IP\u30a2\u30c9\u30ec\u30b9\u306e\u95a2\u4fc2\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u306f\u3001<a rel=\"noreferrer noopener\" href=\"https:\/\/www.value-domain.com\/media\/domain-about\/\" target=\"_blank\">\u300c\u30c9\u30e1\u30a4\u30f3\u3068\u306f\uff1f\u300d<\/a>\u306e\u8a18\u4e8b\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<div class=\"blogcard\"><a href=\"https:\/\/www.value-domain.com\/media\/domain-about\/\" target=\"_blank\" rel=\"noopener noreferrer\" data-blogcard=\"1\"><\/a><\/div>\n\n\n\n<p>\u307e\u305f\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u3068IP\u30a2\u30c9\u30ec\u30b9\u306e\u5bfe\u5fdc\u4ed8\u3051\u306b\u306f\u3001DNS\u30ec\u30b3\u30fc\u30c9\uff08\u7279\u306b<a href=\"https:\/\/www.value-domain.com\/media\/a-record\/\" target=\"_blank\" rel=\"noreferrer noopener\">A\u30ec\u30b3\u30fc\u30c9<\/a>\u3084AAAA\u30ec\u30b3\u30fc\u30c9\uff09\u304c\u4f7f\u308f\u308c\u3001\u3069\u306e\u30c9\u30e1\u30a4\u30f3\u540d\u304c\u3069\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u6307\u3057\u3066\u3044\u308b\u304b\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u3057\u3066\u306f\u3001\u3069\u3061\u3089\u3082DNS\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u5229\u7528\u3057\u3066\u304a\u308a\u3001\u4e3b\u306bUDP\u306e53\u756a\u30dd\u30fc\u30c8\u3092\u4f7f\u7528\u3057\u3066\u540d\u524d\u89e3\u6c7a\uff08\u30c9\u30e1\u30a4\u30f3\u540d\u304b\u3089IP\u30a2\u30c9\u30ec\u30b9\u3092\u8abf\u3079\u308b\u3053\u3068\uff09\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>DNS\u306e\u4ed5\u7d44\u307f\u5168\u4f53\u306b\u3064\u3044\u3066\u306f\u3001<a rel=\"noreferrer noopener\" href=\"https:\/\/www.value-domain.com\/media\/dns\/\" target=\"_blank\">\u300cDNS\u3068\u306f\uff1f\u521d\u5fc3\u8005\u306b<\/a><a rel=\"noreferrer noopener\" href=\"https:\/\/www.value-domain.com\/media\/dns\/\" target=\"_blank\">\u8a2d\u5b9a\u3084<\/a><a rel=\"noreferrer noopener\" href=\"https:\/\/www.value-domain.com\/media\/dns\/\" target=\"_blank\">\u540d\u524d<\/a><a rel=\"noreferrer noopener\" href=\"https:\/\/www.value-domain.com\/media\/dns\/\" target=\"_blank\">\u89e3\u6c7a<\/a><a rel=\"noreferrer noopener\" href=\"https:\/\/www.value-domain.com\/media\/dns\/\" target=\"_blank\">\u306b<\/a><a href=\"https:\/\/www.value-domain.com\/media\/dns\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u3064\u3044\u3066<\/a><a rel=\"noreferrer noopener\" href=\"https:\/\/www.value-domain.com\/media\/dns\/\" target=\"_blank\">\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u300d<\/a>\u3092\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<div class=\"blogcard\"><a href=\"https:\/\/www.value-domain.com\/media\/dns\/\" target=\"_blank\" rel=\"noopener noreferrer\" data-blogcard=\"1\"><\/a><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">DNS\u3068DDNS\u306e\u9055\u3044<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th><\/th><th>DNS<\/th><th><strong>DDNS<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>\u6271\u3046IP\u30a2\u30c9\u30ec\u30b9<\/strong><\/td><td><strong>\u9759\u7684IP\u30a2\u30c9\u30ec\u30b9<\/strong>\uff08\u56fa\u5b9a\uff09<\/td><td><strong>\u52d5\u7684IP\u30a2\u30c9\u30ec\u30b9<\/strong>\uff08\u5909\u52d5\uff09<\/td><\/tr><tr><td><strong>IP<\/strong><strong>\u30a2\u30c9\u30ec\u30b9\u306e\u66f4\u65b0<\/strong><\/td><td><strong>\u624b\u52d5<\/strong>\uff08\u7ba1\u7406\u8005\u304c\u8a2d\u5b9a\u5909\u66f4\uff09<\/td><td><strong>\u81ea\u52d5<\/strong>\uff08\u5c02\u7528\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3084API\u3067\u66f4\u65b0\uff09<\/td><\/tr><tr><td><strong>\u66f4\u65b0\u983b\u5ea6<\/strong><\/td><td>\u6ec5\u591a\u306b\u66f4\u65b0\u3057\u306a\u3044<\/td><td>IP\u30a2\u30c9\u30ec\u30b9\u5909\u66f4\u6642\u306b\u5373\u5ea7\u306b\u66f4\u65b0<\/td><\/tr><tr><td><strong>TTL<\/strong><strong>\uff08\u30ad\u30e3\u30c3\u30b7\u30e5\u6709\u52b9\u6642\u9593\uff09<\/strong><\/td><td><strong>\u6bd4\u8f03\u7684\u9577\u3044<\/strong>\uff08\u6570\u6642\u9593\uff5e\u6570\u65e5\uff09<\/td><td><strong>\u77ed\u3044\uff08<\/strong>\u6570\u5206\uff5e\u6570\u5341\u5206<strong>\uff09<\/strong>\u203bIP\u5909\u66f4\u6642\u306e\u5207\u308a\u66ff\u3048\u3092\u65e9\u3081\u308b\u305f\u3081<\/td><\/tr><tr><td><strong>\u4e3b\u306a\u7528\u9014<\/strong><\/td><td>\u4f01\u696d\u30b5\u30a4\u30c8\u3001\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306a\u3069<\/td><td>\u81ea\u5b85\u30b5\u30fc\u30d0\u30fc\u3001WEB\u76e3\u8996\u30ab\u30e1\u30e9\u3001\u30ea\u30e2\u30fc\u30c8\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u306a\u3069<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div class=\"wp-block-group has-lightyellow-background-color has-background is-layout-constrained wp-block-group-is-layout-constrained\" style=\"padding-top:10px;padding-right:20px;padding-bottom:10px;padding-left:20px\"><div class=\"wp-block-group__inner-container\">\n<p><img decoding=\"async\" class=\"wp-image-43032\" style=\"width: 32px\" src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/09\/ddns-19.png\" alt=\"\u30ef\u30f3\u30dd\u30a4\u30f3\u30c8\u30d2\u30f3\u30c8\"><strong>DDNS\u306b\u304a\u3051\u308bTTL\uff08\u30ad\u30e3\u30c3\u30b7\u30e5\u6709\u52b9\u6642\u9593\uff09\u306e\u91cd\u8981\u6027<\/strong><\/p>\n\n\n\n<p>DDNS\u3092\u5229\u7528\u3059\u308b\u969b\u3001TTL\uff08Time To Live\uff09\u3068\u3044\u3046\u8a2d\u5b9a\u9805\u76ee\u306b\u6ce8\u610f\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002TTL\u306f\u3001<strong>DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u6709\u52b9\u6642\u9593<\/strong>\u3092\u6307\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30d1\u30bd\u30b3\u30f3\u3084\u30eb\u30fc\u30bf\u30fc\u3001\u30d7\u30ed\u30d0\u30a4\u30c0\u306e\u30b5\u30fc\u30d0\u30fc\u306a\u3069\u306f\u3001\u4e00\u5ea6\u30a2\u30af\u30bb\u30b9\u3057\u305f\u30c9\u30e1\u30a4\u30f3\u540d\u3068IP\u30a2\u30c9\u30ec\u30b9\u306e\u60c5\u5831\u3092\u4e00\u6642\u7684\u306b\u4fdd\u5b58\u3057\u307e\u3059\u3002\u3053\u308c\u304c<strong>DNS\u30ad\u30e3\u30c3\u30b7\u30e5<\/strong>\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u6b21\u306b\u540c\u3058\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u969b\u306b\u3001\u308f\u3056\u308f\u3056DNS\u30b5\u30fc\u30d0\u30fc\u306b\u554f\u3044\u5408\u308f\u305b\u308b\u5fc5\u8981\u304c\u306a\u304f\u306a\u308a\u3001\u7d20\u65e9\u304f\u63a5\u7d9a\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001DDNS\u3067\u306fIP\u30a2\u30c9\u30ec\u30b9\u304c\u983b\u7e41\u306b\u5909\u308f\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u3053\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u554f\u984c\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002IP\u30a2\u30c9\u30ec\u30b9\u304c\u5909\u308f\u3063\u3066\u3082\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u53e4\u3044IP\u30a2\u30c9\u30ec\u30b9\u306e\u60c5\u5831\u3092\u4fdd\u6301\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u65b0\u3057\u3044IP\u30a2\u30c9\u30ec\u30b9\u304c\u3059\u3050\u306b\u53cd\u6620\u3055\u308c\u306a\u3044\u3053\u3068\u304c\u3042\u308b\u306e\u3067\u3059\u3002<br><br>\u3053\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u306e\u304cTTL\u3067\u3059\u3002TTL\u3092<strong>\u77ed\u304f<\/strong>\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u66f4\u65b0\u3055\u308c\u308b\u307e\u3067\u306e\u6642\u9593\u3092\u77ed\u304f\u3057\u3001IP\u30a2\u30c9\u30ec\u30b9\u306e\u5909\u66f4\u3092\u901f\u3084\u304b\u306b\u53cd\u6620\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305f\u3060\u3057\u3001TTL\u3092\u6975\u7aef\u306b\u77ed\u304f\u8a2d\u5b9a\u3057\u3059\u304e\u308b\u3068\u3001DNS\u30af\u30a8\u30ea\u306e\u983b\u5ea6\u304c\u5897\u3048\u3001DNS\u30b5\u30fc\u30d0\u30fc\u306b\u8ca0\u8377\u3092\u304b\u3051\u3066\u3057\u307e\u3044\u307e\u3059\u3002DDNS\u3067\u306f\u4e00\u822c\u7684\u306b60\u79d2\uff5e600\u79d2\u7a0b\u5ea6\u306b\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u63a8\u5968\u3055\u308c\u3066\u304a\u308a\u3001\u5b89\u5b9a\u6027\u3068\u5373\u5fdc\u6027\u306e\u30d0\u30e9\u30f3\u30b9\u304c\u53d6\u308c\u3066\u304a\u308a\u3001\u554f\u984c\u306a\u304f\u5229\u7528\u3067\u304d\u308b\u30b1\u30fc\u30b9\u304c\u591a\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u591a\u304f\u306eDDNS\u30b5\u30fc\u30d3\u30b9\u30d7\u30ed\u30d0\u30a4\u30c0\u3084\u30c9\u30e1\u30a4\u30f3\u7ba1\u7406\u30b5\u30fc\u30d3\u30b9\u3067\u306f\u3001DDNS\u30db\u30b9\u30c8\u306eTTL\u8a2d\u5b9a\u304c\u53ef\u80fd\u3067\u3001DNS\u7ba1\u7406\u753b\u9762\u304b\u3089\u7c21\u5358\u306b\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u3002Value Domain\u3067\u3082\u3001TTL\u8a2d\u5b9a\u304c\u53ef\u80fd\u3067\u3059\u3002\u901a\u5e38\u306eDNS\u7ba1\u7406\u753b\u9762\u3067DDNS\u7528\u306e\u30db\u30b9\u30c8\u3092\u8a2d\u5b9a\u3067\u304d\u3001<strong>DNS\u3068DDNS\u304c\u30b7\u30fc\u30e0\u30ec\u30b9\u306b\u9023\u643a<\/strong>\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u305f\u3081\u3001\u300cDDNS\u306e\u8a2d\u5b9a\u3082\u7d50\u5c40DNS\u306e\u4e00\u90e8\u300d\u3068\u3044\u3046\u898b\u65b9\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/div><\/div>\n\n\n\n<p>TTL\u306e\u8003\u3048\u65b9\u306f\u3001DDNS\u306b\u9650\u3089\u305a\u3001Facebook\u306a\u3069\u5404\u7a2eWeb\u30b5\u30fc\u30d3\u30b9\u306eDNS\u8a2d\u5b9a\u306b\u3082\u5f71\u97ff\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305f\u3068\u3048\u3070\u3001Facebook\u306eDNS\u8a2d\u5b9a\u3067\u306fTTL\u306e\u6307\u5b9a\u304c\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u306f\u3001Facebook\u3067\u767a\u751f\u3057\u305f\u969c\u5bb3\u3092\u4f8b\u306b\u3001TTL\u306e\u91cd\u8981\u6027\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"blogcard\"><a href=\"https:\/\/www.value-domain.com\/media\/facebook-club-dns\/\" target=\"_blank\" rel=\"noopener noreferrer\" data-blogcard=\"1\"><\/a><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">DDNS\u306e\u4ed5\u7d44\u307f<\/h2>\n\n\n\n<p>DDNS\uff08\u30c0\u30a4\u30ca\u30df\u30c3\u30afDNS\uff09\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\uff08\u30eb\u30fc\u30bf\u30fc\u3084\u5c02\u7528\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\uff09\u304c\u5b9a\u671f\u7684\u306bIP\u30a2\u30c9\u30ec\u30b9\u3092DDNS\u30d7\u30ed\u30d0\u30a4\u30c0\u306b\u901a\u77e5\u3057\u307e\u3059\u3002\u30d7\u30ed\u30d0\u30a4\u30c0\u5074\u306f\u305d\u306e\u60c5\u5831\u3092\u5143\u306bDNS\u30ec\u30b3\u30fc\u30c9\u3092\u66f4\u65b0\u3057\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u3068\u6700\u65b0\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u7d10\u4ed8\u3051\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001IP\u30a2\u30c9\u30ec\u30b9\u304c\u5909\u66f4\u3055\u308c\u3066\u3082\u30c9\u30e1\u30a4\u30f3\u540d\u3067\u7d99\u7d9a\u7684\u306b\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><a id=\"vn_cta_lp_vd\" class=\"ga_event_link\" style=\"color: #3366ff;\" href=\"https:\/\/www.value-domain.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u30d0\u30ea\u30e5\u30fc\u30c9\u30e1\u30a4\u30f3<\/a>\u3067\u53d6\u5f97\u3057\u305f\u30c9\u30e1\u30a4\u30f3\u306b\u306fValue Domain\u5c02\u7528\u306eDDNS\u304c\u5229\u7528\u3067\u304d\u307e\u3059\u3002<br>\u6307\u5b9a\u306eURL\u306b\u5fc5\u8981\u306a\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u8a2d\u5b9a\u3057\u3066\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3053\u3068\u3067\u3001\u81ea\u52d5\u7684\u306bDNS\u30ec\u30b3\u30fc\u30c9\u304c\u66f4\u65b0\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/09\/ddns-04-1024x596.png\" alt=\"\u30c0\u30a4\u30ca\u30df\u30c3\u30afDNS\u306e\u4ed5\u7d44\u307f\u89e3\u8aac\u56f3\" class=\"wp-image-43217\" style=\"width:600px;height:undefinedpx\" \/><\/figure><\/div>\n\n\n<p>\u56f3\u306f\u3001Value Domain\u306e\u30c0\u30a4\u30ca\u30df\u30c3\u30afDNS\u3092\u5229\u7528\u3057\u305f\u5834\u5408\u306b\u3001\u3069\u306e\u3088\u3046\u306b\u3057\u3066\u5916\u90e8\u304b\u3089\u81ea\u5b85\u30b5\u30fc\u30d0\u30fc\u3078\u30a2\u30af\u30bb\u30b9\u304c\u884c\u308f\u308c\u3001IP\u30a2\u30c9\u30ec\u30b9\u306e\u66f4\u65b0\u304c\u81ea\u52d5\u3067\u53cd\u6620\u3055\u308c\u308b\u304b\u3092\u793a\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u4ee5\u4e0b\u3067\u306f\u3001\u305d\u306e\u4e00\u9023\u306e\u6d41\u308c\u3092\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u64cd\u4f5c\u304b\u3089\u9806\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol type=\"1\" start=\"1\">\n<li><strong>\u30e6\u30fc\u30b6\u30fc\u306e\u64cd\u4f5c\uff08\u9060\u9694\u5730\u30d1\u30bd\u30b3\u30f3\uff09<\/strong>:\n<ul>\n<li>\u30e6\u30fc\u30b6\u30fc\u304c\u81ea\u5b85\u5916\u306e\u30d1\u30bd\u30b3\u30f3\u304b\u3089\u3001\u4f8b\uff09www.example.jp \u3068\u3044\u3046\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u4f7f\u3063\u3066\u81ea\u5b85\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3088\u3046\u3068\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u3053\u306e\u30a2\u30af\u30bb\u30b9\u8981\u6c42\u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3092\u7d4c\u7531\u3057\u3066\u3001\u901a\u5e38\u5229\u7528\u3057\u3066\u3044\u308b<strong>\u30ad\u30e3\u30c3\u30b7\u30e5DNS\u30b5\u30fc\u30d0\u30fc<\/strong>\u306b\u9001\u3089\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u30ad\u30e3\u30c3\u30b7\u30e5DNS\u30b5\u30fc\u30d0\u30fc<\/strong>\n<ul>\n<li>\u30ad\u30e3\u30c3\u30b7\u30e5DNS\u30b5\u30fc\u30d0\u30fc\u306f\u3001www.example.jp \u306b\u5bfe\u5fdc\u3059\u308bIP\u30a2\u30c9\u30ec\u30b9\u3092\u77e5\u3089\u306a\u3044\u5834\u5408\u3001\u4e0a\u4f4d\u306e<strong>\u6a29\u5a01DNS\u30b5\u30fc\u30d0\u30fc<\/strong>\u306b\u554f\u3044\u5408\u308f\u305b\u3092\u884c\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Value Domain<\/strong><strong>\u306e\u6a29\u5a01DNS\u30b5\u30fc\u30d0\u30fc<\/strong>\n<ul>\n<li>\u30ad\u30e3\u30c3\u30b7\u30e5DNS\u30b5\u30fc\u30d0\u30fc\u306f\u3001www.example.jp \u306e\u60c5\u5831\u3092\u7ba1\u7406\u3057\u3066\u3044\u308b<strong>Value Domain\u306e\u6a29\u5a01DNS\u30b5\u30fc\u30d0\u30fc<\/strong>\u306b\u554f\u3044\u5408\u308f\u305b\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u3053\u306e\u6a29\u5a01DNS\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u6700\u65b0\u306eIP\u30a2\u30c9\u30ec\u30b9\u60c5\u5831\uff08\u3053\u306e\u4f8b\u3067\u306f58.12.xxx.xxx\uff09\u3092\u30ad\u30e3\u30c3\u30b7\u30e5DNS\u30b5\u30fc\u30d0\u30fc\u306b\u8fd4\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u30ad\u30e3\u30c3\u30b7\u30e5DNS\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u30e6\u30fc\u30b6\u30fc\u3078<\/strong>\n<ul>\n<li>\u30ad\u30e3\u30c3\u30b7\u30e5DNS\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u53d7\u3051\u53d6\u3063\u305f\u6700\u65b0\u306eIP\u30a2\u30c9\u30ec\u30b9 (58.12.xxx.xxx) \u3092\u30e6\u30fc\u30b6\u30fc\u306e\u30d1\u30bd\u30b3\u30f3\u306b\u8fd4\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u30e6\u30fc\u30b6\u30fc\u306e\u9060\u9694\u5730\u30d1\u30bd\u30b3\u30f3\u304b\u3089\u81ea\u5b85\u30b5\u30fc\u30d0\u30fc\u3078<\/strong>\n<ul>\n<li>\u30e6\u30fc\u30b6\u30fc\u306e\u30d1\u30bd\u30b3\u30f3\u306f\u3001\u53d7\u3051\u53d6\u3063\u305fIP\u30a2\u30c9\u30ec\u30b9 (58.12.xxx.xxx) \u3092\u4f7f\u3063\u3066\u3001\u76f4\u63a5\u81ea\u5b85\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u30a2\u30af\u30bb\u30b9\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u81ea\u5b85\u30eb\u30fc\u30bf\u30fc\u304b\u3089Value Domain\u3078\u306eIP\u30a2\u30c9\u30ec\u30b9\u901a\u77e5<\/strong>:\n<ul>\n<li>\u81ea\u5b85\u306e\u30eb\u30fc\u30bf\u30fc\u306f\u3001\u30b0\u30ed\u30fc\u30d0\u30ebIP\u30a2\u30c9\u30ec\u30b9\u304c\u5909\u66f4\u3055\u308c\u308b\u3068\u3001Value Domain\u306e\u30c0\u30a4\u30ca\u30df\u30c3\u30afDNS\u30b5\u30fc\u30d3\u30b9\u306b\u5bfe\u3057\u3066HTTP\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u3053\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u4f8b\u3068\u3057\u3066URL (https:\/\/dyn.value-domain.com\/cgi-bin\/dyn.fcgi?d=example.jp&amp;p=password&amp;h=www) \u3067\u3059\u3002HTTP\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u30eb\u30fc\u30bf\u30fc\u306e\u5916\u90e8IP\u30a2\u30c9\u30ec\u30b9\u304c\u660e\u793a\u3055\u308c\u3066\u3044\u306a\u304f\u3066\u3082\u3001Value Domain\u5074\u3067\u81ea\u52d5\u7684\u306b\u5224\u65ad\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u3053\u308c\u306b\u3088\u308a\u3001Value Domain\u306e<strong>DNS\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9<\/strong>\u306b\u767b\u9332\u3055\u308c\u3066\u3044\u308b www.example.jp \u306b\u5bfe\u5fdc\u3059\u308bIP\u30a2\u30c9\u30ec\u30b9\u304c\u3001\u6700\u65b0\u306e\u3082\u306e\u306b\u66f4\u65b0\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Value Domain<\/strong><strong>\u306eDDNS\u30b5\u30fc\u30d3\u30b9<\/strong>:\n<ul>\n<li>Value Domain\u306eDDNS\u30b5\u30fc\u30d3\u30b9\u306f\u3001\u30eb\u30fc\u30bf\u30fc\u304b\u3089\u9001\u3089\u308c\u3066\u304d\u305fIP\u30a2\u30c9\u30ec\u30b9\u60c5\u5831\u3092\u53d7\u3051\u53d6\u308a\u3001<strong>DNS\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9<\/strong>\u3092\u66f4\u65b0\u3057\u307e\u3059\u3002<br>Value Domain\u3067\u306fHTTP\u30ea\u30af\u30a8\u30b9\u30c8\u65b9\u5f0f\u4ee5\u5916\u306bAPI\u9023\u643a\u3067\u3082\u8a2d\u5b9a\u53ef\u80fd\u3067\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">DDNS\u306e\u30e1\u30ea\u30c3\u30c8\u3068\u30c7\u30e1\u30ea\u30c3\u30c8<\/h2>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306b\u3001Value Domain\u306eDDNS\u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3059\u308c\u3070\u3001\u52d5\u7684IP\u30a2\u30c9\u30ec\u30b9\u74b0\u5883\u3067\u3082\u72ec\u81ea\u30c9\u30e1\u30a4\u30f3\u3092\u901a\u3058\u3066\u5b89\u5b9a\u3057\u305f\u63a5\u7d9a\u304c\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002\u3057\u304b\u3057\u3001DDNS\u306b\u306f\u4fbf\u5229\u306a\u4e00\u65b9\u3067\u3001\u5229\u7528\u524d\u306b\u77e5\u3063\u3066\u304a\u304d\u305f\u3044\u6ce8\u610f\u70b9\u3084\u5236\u7d04\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u3053\u3067\u306f\u3001DDNS\u306e\u5177\u4f53\u7684\u306a<strong>\u30e1\u30ea\u30c3\u30c8\u3068\u30c7\u30e1\u30ea\u30c3\u30c8<\/strong>\u3001\u305d\u3057\u3066\u5c0e\u5165\u6642\u306b\u6c17\u3092\u3064\u3051\u305f\u3044\u30dd\u30a4\u30f3\u30c8\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">DDNS\u306e\u30e1\u30ea\u30c3\u30c8<\/h3>\n\n\n\n<div class=\"wp-block-luxe-blocks-topic\" style=\"margin-top:10px;margin-bottom:30px\"><div class=\"wp-block-luxe-blocks-topic-title\" style=\"color:#fff;background-color:#006edc;border:1px solid #006edc;padding:2px 14px;align-items:center\">DDNS\u306e\u30e1\u30ea\u30c3\u30c8<\/div><div class=\"wp-block-luxe-blocks-topic-content\" style=\"border:1px solid #006edc;padding:0px 15px 0px 15px\">\n\n<ul>\n\n<li><strong>\u56fa\u5b9aIP\u30a2\u30c9\u30ec\u30b9\u304c\u306a\u304f\u3066\u3082\u3001\u9060\u9694\u3067\u63a5\u7d9a\u304c\u3067\u304d\u308b\u3002<\/strong><\/li>\n\n\n<li><strong>\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u81ea\u7531\u306b\u8a2d\u5b9a\u3067\u304d\u308b\u305f\u3081\u899a\u3048\u3084\u3059\u3044<\/strong>\u3002<\/li>\n\n<\/ul>\n\n<\/div><\/div>\n\n\n\n<ul>\n<li><strong>\u56fa\u5b9aIP\u30a2\u30c9\u30ec\u30b9\u304c\u306a\u304f\u3066\u3082\u3001\u9060\u9694\u3067\u63a5\u7d9a\u304c\u3067\u304d\u308b\u3002<\/strong><br>\u591a\u304f\u306e\u5bb6\u5ead\u3067\u306fISP\uff08\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30b5\u30fc\u30d3\u30b9\u30d7\u30ed\u30d0\u30a4\u30c0\uff09\u304b\u3089\u52d5\u7684\u306a\u30b0\u30ed\u30fc\u30d0\u30ebIP\u30a2\u30c9\u30ec\u30b9\u304c\u5272\u308a\u5f53\u3066\u3089\u308c\u307e\u3059\u3002\u30eb\u30fc\u30bf\u30fc\u306e\u518d\u8d77\u52d5\u3084\u4e00\u5b9a\u671f\u9593\u306e\u30a2\u30a4\u30c9\u30eb\u72b6\u614b\u306b\u3088\u3063\u3066\u3001\u3053\u306eIP\u30a2\u30c9\u30ec\u30b9\u306f\u983b\u7e41\u306b\u5909\u52d5\u3057\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306a\u74b0\u5883\u4e0b\u3067\u3001\u81ea\u5b85\u306e\u30b5\u30fc\u30d0\u30fc\u3084\u76e3\u8996\u30ab\u30e1\u30e9\u3078\u5916\u90e8\u304b\u3089\u30ea\u30e2\u30fc\u30c8\u30a2\u30af\u30bb\u30b9\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002<br>DDNS\u306f\u3001\u5909\u52d5\u3059\u308bIP\u30a2\u30c9\u30ec\u30b9\u3068\u56fa\u5b9a\u306e\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u81ea\u52d5\u7684\u306b\u7d10\u3065\u3051\u308b\u3053\u3068\u3067\u3001\u5b89\u5b9a\u3057\u305f\u63a5\u7d9a\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u81ea\u7531\u306b\u8a2d\u5b9a\u3067\u304d\u308b\u305f\u3081\u899a\u3048\u3084\u3059\u3044<\/strong>\u3002<br>IP\u30a2\u30c9\u30ec\u30b9\u306f\u6570\u5b57\u306e\u7f85\u5217\u3067\u899a\u3048\u3065\u3089\u3044\u3067\u3059\u304c\u3001DDNS\u3067\u306f\u72ec\u81ea\u30c9\u30e1\u30a4\u30f3\u540d\uff08\u4f8b\uff1ahome.example.jp\uff09\u3092\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u3002<br>\u300c\u540d\u524d\u300d\u3067\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u306e\u3067\u3001\u6bce\u56deIP\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u306a\u304f\u3001\u7ba1\u7406\u3084\u904b\u7528\u3082\u3050\u3063\u3068\u697d\u306b\u306a\u308a\u307e\u3059\u3002<br><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">DDNS\u306e\u30c7\u30e1\u30ea\u30c3\u30c8<\/h3>\n\n\n\n<div class=\"wp-block-luxe-blocks-topic\" style=\"margin-top:10px;margin-bottom:30px\"><div class=\"wp-block-luxe-blocks-topic-title\" style=\"color:#fff;background-color:#ffa500;border:1px solid #ffa500;padding:2px 14px;align-items:center\">DDNS\u306e\u30c7\u30e1\u30ea\u30c3\u30c8<\/div><div class=\"wp-block-luxe-blocks-topic-content\" style=\"border:1px solid #ffa500;padding:0px 15px 0px 15px\">\n\n<ul>\n\n<li><strong>\u66f4\u65b0\u9045\u5ef6\u304c\u767a\u751f\u3059\u308b\u3053\u3068\u304c\u3042\u308b<\/strong><\/li>\n\n\n<li><strong>\u30b5\u30fc\u30d3\u30b9\u505c\u6b62\u6642\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u304f\u306a\u308b\u30ea\u30b9\u30af<\/strong><\/li>\n\n<\/ul>\n\n<\/div><\/div>\n\n\n\n<ul>\n<li><strong>\u66f4\u65b0\u9045\u5ef6<\/strong><br> DDNS\u3067\u306f\u3001IP\u30a2\u30c9\u30ec\u30b9\u304c\u5909\u66f4\u3055\u308c\u305f\u76f4\u5f8c\u306bDNS\u30ec\u30b3\u30fc\u30c9\u304c\u66f4\u65b0\u3055\u308c\u307e\u3059\u304c\u3001\u53cd\u6620\u307e\u3067\u306b\u6570\u5206\uff5e\u5341\u6570\u5206\u306e<strong>\u30bf\u30a4\u30e0\u30e9\u30b0\uff08\u9045\u5ef6\uff09<strong>\u304c\u767a\u751f\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/strong><\/strong><\/li>\n\n\n\n<li><strong>\u30b5\u30fc\u30d3\u30b9\u3078\u306e\u4f9d\u5b58\u6027<\/strong><br>DDNS\u306f\u3001\u30d7\u30ed\u30d0\u30a4\u30c0\u304c\u63d0\u4f9b\u3059\u308b\u30b5\u30fc\u30d3\u30b9\u306b\u4f9d\u5b58\u3057\u3066\u52d5\u4f5c\u3057\u307e\u3059\u3002<br>\u305d\u306e\u305f\u3081\u3001\u63d0\u4f9b\u5143\u306e\u30b5\u30fc\u30d3\u30b9\u304c\u7a81\u7136\u7d42\u4e86\u3057\u305f\u308a\u3001\u6709\u6599\u5316\u3055\u308c\u305f\u308a\u3059\u308b\u3068\u3001\u30a2\u30af\u30bb\u30b9\u4e0d\u80fd\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">DDNS\u306e\u6ce8\u610f\u70b9<\/h3>\n\n\n\n<ul>\n<li><strong>\u72ec\u81ea\u30c9\u30e1\u30a4\u30f3\u3068\u306e\u9023\u643a\u3067\u5236\u9650\u3092\u53d7\u3051\u308b<br><\/strong>\u5404\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u5668\u30e1\u30fc\u30ab\u30fc\u306eDDNS\u306f\u57fa\u672c\u7684\u306b\u300c<strong>\u81ea\u793e\u88fd\u54c1\u5c02\u7528<\/strong>\u300d\u3067\u3059\u3002\u305d\u306e\u305f\u3081\u72ec\u81ea\u30c9\u30e1\u30a4\u30f3\u3067\u5229\u7528\u3067\u304d\u307e\u305b\u3093\u3002\u3053\u306e\u5834\u5408\u306f<strong>CNAME\u30ec\u30b3\u30fc\u30c9<\/strong>\u3067\u72ec\u81ea\u30c9\u30e1\u30a4\u30f3\u3068\u7d10\u4ed8\u3051\u53ef\u80fd\u3067\u3059\u3002<br>\u6a5f\u5668\u306b\u3088\u3063\u3066\u306f\u72ec\u81eaDDNS\u8a2d\u5b9a\u304c\u3067\u304d\u308b\u3082\u306e\u3082\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u306f<strong>Value Domain\u306eDDNS<\/strong>\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>CGNAT\u74b0\u5883\u3067\u306f\u5229\u7528\u3067\u304d\u306a\u3044<\/strong><br>\u30e2\u30d0\u30a4\u30eb\u56de\u7dda\uff08SoftBank\u3001DOCOMO\u3001AU\uff09\u3084IPv6\u306e\u307f\u306e\u74b0\u5883\u3067\u306f\u52d5\u4f5c\u3057\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<br>\u203b\u3053\u306e\u74b0\u5883\u4e0b\u3067\u81ea\u5b85\u306eWWW\u3084\u76e3\u8996\u30ab\u30e1\u30e9\u753b\u50cf\u3092\u516c\u958b\u3057\u305f\u3044\u5834\u5408\u306fDDNS\u3084P2P\u3001VPN\u3092\u4f7f\u308f\u306a\u3044\u65b9\u6cd5\u3067\u306e\u8a18\u4e8b\u3092\u6b21\u56de\u7d39\u4ecb\u3044\u305f\u3057\u307e\u3059\u3002 <\/li>\n\n\n\n<li><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u306b\u95a2\u3057\u3066<\/strong><br>DDNS\u306b\u9650\u3089\u305a\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u304c\u56fa\u5b9a\u3055\u308c\u308b\u3068\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u306e\u6a19\u7684\u306b\u306a\u308a\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-group has-lightyellow-background-color has-background is-layout-constrained wp-block-group-is-layout-constrained\" style=\"padding-top:10px;padding-right:20px;padding-bottom:10px;padding-left:20px\"><div class=\"wp-block-group__inner-container\">\n<p><img decoding=\"async\" class=\"wp-image-43032\" style=\"width: 42px\" src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/09\/ddns-19.png\" alt=\"\u30ef\u30f3\u30dd\u30a4\u30f3\u30c8\u30d2\u30f3\u30c8\"><strong>DDNS\u30b5\u30fc\u30d3\u30b9\u3078\u306e\u4f9d\u5b58\u6027\u306b\u95a2\u3057\u3066<\/strong><br>\u6700\u521d\u306f\u7121\u6599\u3067\u63d0\u4f9b\u3055\u308c\u3066\u3044\u305fDDNS\u3082\u30e6\u30fc\u30b6\u30fc\u304c\u5897\u3048\u6709\u6599\u5316\u3055\u308c\u308b\u5834\u5408\u304c\u591a\u3005\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u7121\u6599\u67a0\u3067\u4f7f\u3048\u308bDDNS\u3067\u3082\u5b9a\u671f\u7684\u306a\u66f4\u65b0\u624b\u7d9a\u304d\u304c\u5fc5\u8981\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<strong>\u6700\u60aa\u30b5\u30fc\u30d3\u30b9\u304c\u7d42\u4e86\u3059\u308b<\/strong>\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002<br>\u5b9f\u969b\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u5668\u3001WEB\u30ab\u30e1\u30e9\u6a5f\u5668\u3092\u63d0\u4f9b\u3057\u3066\u3044\u305f<strong>IO-DATA<\/strong>\u306eDDNS\uff08iobb.net\uff09\u306f2024\u5e7412\u6708\u672b\u3092\u3082\u3063\u3066\u63d0\u4f9b\u304c\u7d42\u4e86\u3057\u3066\u3044\u307e\u3059\u3002<br> Value Domain\u3067\u306f\u305d\u306e\u70b9\u3001\u30c9\u30e1\u30a4\u30f3\u63d0\u4f9b\u306e\u521d\u671f\u304b\u3089\u305a\u3063\u3068DDNS\u3092\u7d99\u7d9a\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u30c9\u30e1\u30a4\u30f3\u30ec\u30b8\u30b9\u30c8\u30e9\u3067\u3042\u308a\u4eca\u5f8c\u3082\u63d0\u4f9b\u3055\u308c\u308b\u3068\u601d\u308f\u308c\u307e\u3059\u3002<\/p>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Value Domain\u3067DDNS\u3092\u59cb\u3081\u308b\u65b9\u6cd5<\/h2>\n\n\n\n<p>Value Domain\u3067\u53d6\u5f97\u3057\u305f\u72ec\u81ea\u30c9\u30e1\u30a4\u30f3\u306f\u3001<strong>\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d1\u30cd\u30eb\u4e0a\u304b\u3089\u7c21\u5358\u306bDDNS\u3092\u6709\u52b9\u5316<\/strong>\u3067\u304d\u307e\u3059\u3002\u8a2d\u5b9a\u306f<strong>\u30c9\u30e1\u30a4\u30f3\u5358\u4f4d<\/strong>\u3067\u884c\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p><span style=\"font-weight:bold\">Step 1\uff1a\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d1\u30cd\u30eb\u306b\u30ed\u30b0\u30a4\u30f3<\/span><\/p>\n\n\n\n<p>Value Domain\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d1\u30cd\u30eb\u306b\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u300c\u30c9\u30e1\u30a4\u30f3\u300d\u30fc\u300c\u30c9\u30e1\u30a4\u30f3\u306e\u8a2d\u5b9a\u64cd\u4f5c\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><img decoding=\"async\" class=\"wp-image-42701\" style=\"width: 640px\" src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/09\/ddns-05.png\" alt=\"Value Domain DDNS\u8a2d\u5b9a\uff11\"><\/p>\n\n\n\n<p><span style=\"font-weight:bold\">Step 2\uff1a\u5bfe\u8c61\u30c9\u30e1\u30a4\u30f3\u306e\u300c\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u300d\u3092\u30af\u30ea\u30c3\u30af<\/span><\/p>\n\n\n\n<p>\u30c9\u30e1\u30a4\u30f3\u4e00\u89a7\u304b\u3089DDNS\u3092\u4f7f\u3044\u305f\u3044\u30c9\u30e1\u30a4\u30f3\u306e\u300c\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><img decoding=\"async\" class=\"wp-image-42702\" style=\"width: 640px\" src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/09\/ddns-06.png\" alt=\"Value Domain DDNS\u8a2d\u5b9a\uff12\"><\/p>\n\n\n\n<p><span style=\"font-weight:bold\">Step 3\uff1a\u30d1\u30b9\u30ef\u30fc\u30c9\u8a2d\u5b9a\uff0bDDNS\u6a5f\u80fd\u3092\u6709\u52b9\u5316<\/span><\/p>\n\n\n\n<p>\u30d1\u30b9\u30ef\u30fc\u30c9\u300c\u5909\u66f4\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u30c0\u30a4\u30ca\u30df\u30c3\u30afDNS\u6a5f\u80fd\u300c\u6709\u52b9\u300d\u306b\u30c1\u30a7\u30c3\u30af\u3092\u5165\u308c\u3066\u300c\u5909\u66f4\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u53cd\u6620\u3055\u305b\u307e\u3059\u3002<\/p>\n\n\n\n<p><img decoding=\"async\" class=\"wp-image-43025\" style=\"width: 640px\" src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/09\/ddns-07.png\" alt=\"Value Domain DDNS\u8a2d\u5b9a\uff13\"><\/p>\n\n\n\n<p><span style=\"font-weight:bold\">Step 4\uff1aDNS\u30ec\u30b3\u30fc\u30c9\u3092\u6e96\u5099\u3059\u308b<\/span><\/p>\n\n\n\n<p>\u4f8b\u3068\u3057\u3066\u3001\u30db\u30b9\u30c8\u540dwww\u3092DDNS\u3067\u5229\u7528\u3059\u308b\u5834\u5408\u306fDNS\u306eA\u30ec\u30b3\u30fc\u30c9\u306bwww\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002IP\u30a2\u30c9\u30ec\u30b9\u306f\u306a\u3093\u3067\u3082\u3044\u3044\u3067\u3059\u304c\u3001\u3053\u3053\u3067\u306f\u4e00\u6642\u7684\u306b\uff23\u30af\u30e9\u30b9\u306eIP\u30a2\u30c9\u30ec\u30b9192.168.1.1\u3092\u4fbf\u5b9c\u4e0a\u8a2d\u5b9a\u3057\u3066\u304a\u304d\u307e\u3059\u3002\u5f8c\u306eDDNS\u9023\u643a\u3067\u3053\u306eIP\u30a2\u30c9\u30ec\u30b9\u306f\u81ea\u52d5\u7684\u306b\u6240\u5b9a\u306eIP\u30a2\u30c9\u30ec\u30b9\u306b\u66f8\u304d\u63db\u3048\u3089\u308c\u307e\u3059\u3002TTL\u8a2d\u5b9a\u306f\uff16\uff10\uff10\u79d2\uff08\uff11\uff10\u5206\uff09\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><img decoding=\"async\" class=\"wp-image-42704\" style=\"width: 640px\" src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/09\/ddns-08.png\" alt=\"Value Domain DDNS\u8a2d\u5b9a\uff14\"><br><br><img decoding=\"async\" class=\"wp-image-42705\" style=\"width: 640px\" src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/09\/ddns-09.png\" alt=\"Value Domain DDNS\u8a2d\u5b9a\uff15\"><\/p>\n\n\n\n<p><span style=\"font-weight:bold\">Step 5\uff1a\u8a2d\u5b9a\u5b8c\u4e86\uff01<\/span><\/p>\n\n\n\n<p>\u4ee5\u4e0a\u3067\u3001Value Domain\u5074\u306eDDNS\u8a2d\u5b9a\u306f\u5b8c\u4e86\u3067\u3059\u3002<br>\u3042\u3068\u306f\u3001\u30eb\u30fc\u30bf\u30fc\u3084\u30b9\u30af\u30ea\u30d7\u30c8\u304b\u3089IP\u30a2\u30c9\u30ec\u30b9\u3092\u901a\u77e5\u3059\u308c\u3070\u3001<strong>\u81ea\u52d5\u7684\u306bDNS\u304c\u66f4\u65b0\u3055\u308c\u308b\u4ed5\u7d44\u307f<\/strong>\u304c\u52d5\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DDNS\u306e\u5b9f\u7528\u7684\u306a\u5229\u7528\u65b9\u6cd5\u3010Value Domain\u3067\u3067\u304d\u308b\u3053\u3068\u3011<\/h2>\n\n\n\n<p>DDNS\u3092\u5229\u7528\u3057\u305f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ab\u30e1\u30e9\uff08WEB\u76e3\u8996\u30ab\u30e1\u30e9\uff09\u3084\u81ea\u5b85\uff37\uff37\uff37\u30b5\u30fc\u30d0\u30fc\u306e<strong>\u516c\u958b\u4e8b\u4f8b\u3092\uff16\u3064<\/strong>\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-luxe-blocks-topic\" style=\"margin-top:10px;margin-bottom:30px\"><div class=\"wp-block-luxe-blocks-topic-title\" style=\"color:#fff;background-color:#006edc;border:1px solid #006edc;padding:2px 14px;align-items:center\">DDNS\u306e\u5b9f\u7528\u7684\u306a\u5229\u7528\u65b9\u6cd5<\/div><div class=\"wp-block-luxe-blocks-topic-content\" style=\"border:1px solid #006edc;padding:0px 15px 0px 15px\">\n\n<p> <a href=\"#toc_id_6_1\" data-type=\"internal\" data-id=\"#toc_id_6_1\">WEB\u76e3\u8996\u30ab\u30e1\u30e9\u3067DDNS\u3092\u5229\u7528\u3057\u6620\u50cf\u3092\u516c\u958b\u3059\u308b<\/a><br><a href=\"#toc_id_6_2\">\u81ea\u5b85\u30b5\u30fc\u30d0\u30fc\u3067DDNS\u3092\u5229\u7528\u3057WEB\u30b5\u30a4\u30c8\u3092\u516c\u958b\u3059\u308b<\/a><br><a href=\"#toc_id_6_3\">\u81ea\u5b85\u30b5\u30fc\u30d0\u30fc\u3068\u9023\u643a\u3057WEB\u30b5\u30a4\u30c8\u3068WEB\u76e3\u8996\u30ab\u30e1\u30e9\u6620\u50cf\u3092\u516c\u958b\u3059\u308b<\/a><br><a href=\"#toc_id_6_4\">\u5916\u90e8\u30b5\u30fc\u30d0\u30fc\u3068\u9023\u643a\u3057WEB\u76e3\u8996\u30ab\u30e1\u30e9\u306e\u6620\u50cf\u3092\u516c\u958b\u3059\u308b<\/a><br><a href=\"#toc_id_6_5\">\u5916\u90e8\u304b\u3089\u306e\u30ea\u30e2\u30fc\u30c8\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u63a5\u7d9a\u306b\u5229\u7528<\/a><br><a href=\"#toc_id_6_6\">\u4ed6\u793eDDNS\u3068CNAME\u3092\u5229\u7528\u3057\u305f\u65b9\u6cd5<\/a><\/p>\n\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"> WEB\u76e3\u8996\u30ab\u30e1\u30e9\u3067DDNS\u3092\u5229\u7528\u3057\u6620\u50cf\u3092\u516c\u958b\u3059\u308b<\/h3>\n\n\n\n<p>Panasonic\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ab\u30e1\u30e9\u3067\u306f\u3001<strong>\u6a5f\u5668\u6307\u5b9a\u306eDDNS\u4ee5\u5916\u306b\u30e6\u30fc\u30b6\u30fc\u6307\u5b9a\u306eDDNS\u3092\u300c\u72ec\u81eaDDNS\u8a2d\u5b9a\u300d\u3067\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/strong>Value Domain\u306eDDNS\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u4ed8\u304d\u306eURL\u3092\u300c\u72ec\u81eaDDNS\u8a2d\u5b9a\u300d\u306b\u5165\u529b\u3059\u308b\u3053\u3068\u3067\u3001\u76e3\u8996\u30ab\u30e1\u30e9\u306e\u6620\u50cf\u3092\u72ec\u81ea\u30c9\u30e1\u30a4\u30f3\u3067\u516c\u958b\u3067\u304d\u307e\u3059\u3002<br>\u4ed6\u306eWEB\u76e3\u8996\u30ab\u30e1\u30e9\u3067\u3082\u300c\u72ec\u81eaDDNS\u8a2d\u5b9a\u300d\u3084\u300c\u30ab\u30b9\u30bf\u30e0URL\u300d\u304c\u5229\u7528\u3067\u304d\u308c\u3070Value Domain\u306eDDNS\u304c\u4f7f\u3048\u307e\u3059\u3002<br><\/p>\n\n\n\n<p><img decoding=\"async\" class=\"wp-image-42706\" style=\"width: 480px\" src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/09\/ddns-10.png\" alt=\"WEB\u76e3\u8996\u30ab\u30e1\u30e9\u306e\u5229\u7528\u56f3\"><\/p>\n\n\n\n<p>\u30fbPanasonic\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ab\u30e1\u30e9\u306e\u7ba1\u7406\u753b\u9762\uff0d\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff0dDDNS<br><img decoding=\"async\" class=\"wp-image-42707\" style=\"width: 640px\" src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/09\/ddns-02.png\" alt=\"\u30ab\u30e1\u30e9DDNS\u8a2d\u5b9a\"><\/p>\n\n\n\n<ul>\n<li>\u30b5\u30fc\u30d3\u30b9\uff1a\u300c\u30e6\u30fc\u30b6\u30fc\u6307\u5b9aDDNS\u300d\u3092\u9078\u629e<\/li>\n\n\n\n<li>\u30db\u30b9\u30c8\u540d\uff1a<strong>http:\/\/dyn.value-domain.com\/cgi-bin\/dyn.fcg?d=example.jp&amp;p=password&amp;h=www<\/strong><br>http\u3067\u8a2d\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002\uff08BB-SP104W\u3067\u306fhttps\u3060\u3068\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\uff09\u3002<br>\u203bValue domain DDNS\u3067\u306f\u4ed5\u69d8\u4e0ahttps\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u304chttp\u3067\u3082\u53d7\u3051\u4ed8\u3051\u3089\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30e6\u30fc\u30b6\u30fc\u540d\uff1a\u4efb\u610f\u306e\u6587\u5b57\u5217\u3000\uff08\u30c0\u30df\u30fc\u3067\u4f55\u3067\u3082\u3044\u3044\u3067\u3059\uff09<br>\u203bValue domain DDNS\u3067\u306fBASIC\u8a8d\u8a3c\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/li>\n\n\n\n<li>\u30d1\u30b9\u30ef\u30fc\u30c9\uff1a\u4efb\u610f\u306e\u6587\u5b57\u5217\uff08\u30c0\u30df\u30fc\u3067\u4f55\u3067\u3082\u3044\u3044\u3067\u3059\uff09<br>\u203bValue domain DDNS\u3067\u306fBASIC\u8a8d\u8a3c\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/li>\n\n\n\n<li>\u30a2\u30af\u30bb\u30b9\u9593\u9694\uff1a\uff11\uff10\uff4d\uff49\uff4e<\/li>\n<\/ul>\n\n\n\n<p>\u4ee5\u4e0a\u3092\u5165\u529b\u3057\u3066\u300c\u8a2d\u5b9a\u300d\u3059\u308c\u3070\uff11\uff10\u5206\u6bce\u306bValue domain\u306eDNS\u306b\u767b\u9332\u3055\u308c\u307e\u3059\u3002DNS\u306eTTL\u306f600\u79d2\u306b\u3057\u3066\u3044\u307e\u3059\u306e\u3067\u3001\uff11\uff10\u5206\u304b\u3089\uff12\uff10\u5206\u7a0b\u5ea6\u3067DNS\u306b\u53cd\u6620\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-group has-lightyellow-background-color has-background is-layout-constrained wp-block-group-is-layout-constrained\" style=\"padding-top:10px;padding-right:20px;padding-bottom:10px;padding-left:20px\"><div class=\"wp-block-group__inner-container\">\n<p><img decoding=\"async\" class=\"wp-image-43032\" style=\"width: 42px\" src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/09\/ddns-19.png\" alt=\"\u30ef\u30f3\u30dd\u30a4\u30f3\u30c8\u30d2\u30f3\u30c8\"><strong>WEB\u76e3\u8996\u30ab\u30e1\u30e9\u3092\u516c\u958b\u3059\u308b\u306b\u306f\u30eb\u30fc\u30bf\u30fc\u3067\u30dd\u30fc\u30c8\u30d5\u30a9\u30ef\u30fc\u30c7\u30a3\u30f3\u30b0\u304c\u5fc5\u8981<\/strong><br><strong>WEB\u76e3\u8996\u30ab\u30e1\u30e9<\/strong>\u3084<strong>\u81ea\u5b85\u30b5\u30fc\u30d0\u30fc<\/strong>\u3092\u516c\u958b\u3059\u308b\u305f\u3081\u306b\u30eb\u30fc\u30bf\u30fc\u3068\u76e3\u8996\u30ab\u30e1\u30e9\u3092\u7d10\u3065\u3051\u308b\u306b\u306f\u3001\u4e3b\u306b<strong>\u30dd\u30fc\u30c8\u30d5\u30a9\u30ef\u30fc\u30c7\u30a3\u30f3\u30b0<\/strong>\u3068\u547c\u3070\u308c\u308b\u8a2d\u5b9a\u304c\u5fc5\u8981\u3067\u3059\u3002\u3053\u306e\u8a2d\u5b9a\u306b\u3088\u308a\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u304b\u3089\u306e\u7279\u5b9a\u306e\u901a\u4fe1\u3092\u30eb\u30fc\u30bf\u30fc\u304c\u53d7\u3051\u53d6\u308a\u3001\u305d\u308c\u3092\u30ed\u30fc\u30ab\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u306e\u7279\u5b9a\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u8ee2\u9001\u3067\u304d\u307e\u3059\u3002\u30eb\u30fc\u30bf\u30fc\u3067\u5916\u90e8\u304b\u3089\u306e\uff18\uff10\u756a\u3001\uff14\uff14\uff13\u756a\u3092\u30ed\u30fc\u30ab\u30eb\u306e\u30ab\u30e1\u30e9\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<\/div><\/div>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-group has-lightyellow-background-color has-background is-layout-constrained wp-block-group-is-layout-constrained\" style=\"padding-top:10px;padding-right:20px;padding-bottom:10px;padding-left:20px\"><div class=\"wp-block-group__inner-container\">\n<p><img decoding=\"async\" class=\"wp-image-43032\" style=\"width: 42px\" src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/09\/ddns-19.png\" alt=\"\u30ef\u30f3\u30dd\u30a4\u30f3\u30c8\u30d2\u30f3\u30c8\"><strong>\u30e1\u30fc\u30ab\u30fc\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u5668\u306eDDNS\u306b\u3064\u3044\u3066<\/strong><\/p>\n\n\n\n<p>\u5404\u30e1\u30fc\u30ab\u30fc\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ab\u30e1\u30e9\u3067\u306fDDNS\u306e\u5229\u7528\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u304c\u3001DDNS\u30b5\u30fc\u30d3\u30b9\u306e\u7a2e\u985e\u306f\u65e2\u5b58\u306e\u30b5\u30fc\u30d3\u30b9\u304b\u3089\u9078\u629e\u3059\u308b\u65b9\u6cd5\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\uff24\uff24\uff2e\uff33\u306e\u7a2e\u985e\u306f<strong>No-IP, DynDNS\u3084\u30e1\u30fc\u30ab\u30fc\u6307\u5b9a\u306eDDNS\u3067\u3059\u3002<\/strong>\u65e5\u672c\u306e\u30e1\u30fc\u30ab\u30fc\u3067\u306f\u30d1\u30ca\u30bd\u30cb\u30c3\u30af\u304cNo-IP, DynDNS\u4ee5\u5916\u306b<strong>\u72ec\u81ea\u306e\u30e6\u30fc\u30b6\u30fc\u6307\u5b9aDDNS<\/strong>\u304c\u5229\u7528\u3067\u304d\u307e\u3059\u3002\u6d77\u5916\u30e1\u30fc\u30ab\u30fc\u88fd\u6a5f\u5668\u3067\u6709\u540d\u3069\u3053\u308d\u3067\u306fTP-Link\u3001Axis\u304c\u72ec\u81ea\u306eDDNS\u3092\u5229\u7528\u3067\u304d\u307e\u3059<br>\u30d1\u30ca\u30bd\u30cb\u30c3\u30af\u88fd\u54c1\u306f\u4e00\u822c\u5411\u3051\u3060\u3051\u3067\u306a\u304f\u6cd5\u4eba\u5411\u3051\u306b\u3082\u529b\u3092\u5165\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u3053\u3046\u3044\u3046\u7d30\u304b\u306a\u3068\u3053\u308d\u306f\u3055\u3059\u304c\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4f59\u8ac7\u3067\u3059\u304c\u3001\u30d1\u30ca\u30bd\u30cb\u30c3\u30af\u306f1\u4e07\u4eba\u524a\u6e1b\u30682025\u5e74\u5ea6\u4e2d\u306e\u4e8b\u696d\u518d\u7de8\u8a08\u753b\u304c\u6253\u3061\u51fa\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u4e8b\u696d\u9078\u5225\u3067\u306f\u3001\u300c\u30d1\u30ca\u30bd\u30cb\u30c3\u30af\u682a\u5f0f\u4f1a\u793e\u300d\uff08\u4e3b\u306b\u5bb6\u96fb\u30fb\u7a7a\u8abf\u30fb\u7167\u660e\u306a\u3069\u3092\u62c5\u5f53\u3059\u308b\u4e8b\u696d\u4f1a\u793e\uff09\u304c\u89e3\u6563\u3055\u308c\u3001\u5098\u4e0b\u306e\u4e8b\u696d\u304c\u72ec\u7acb\u3057\u305f\u5b50\u4f1a\u793e\u3068\u3057\u3066\u518d\u7de8\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u518d\u7de8\u306f\u4e3b\u306bB2C\uff08\u6d88\u8cbb\u8005\u5411\u3051\uff09\u4e8b\u696d\u3092\u4e2d\u5fc3\u3068\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ab\u30e1\u30e9\u306a\u3069\u306e\u88fd\u54c1\u306f\u300c\u30d1\u30ca\u30bd\u30cb\u30c3\u30af\u30b3\u30cd\u30af\u30c8\u682a\u5f0f\u4f1a\u793e\u300d\u304c\u6271\u3063\u3066\u304a\u308a\u3001\u4eca\u56de\u306e\u518d\u7de8\u3067\u306f\u5f71\u97ff\u3092\u53d7\u3051\u306a\u3044\u3068\u601d\u308f\u308c\u307e\u3059\u3002\u307e\u305f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ab\u30e1\u30e9\u306f\u76e3\u8996\u30b7\u30b9\u30c6\u30e0\u3084\u7523\u696d\u5411\u3051\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3068\u3057\u3066\u9700\u8981\u304c\u3042\u308a\u3001\u53ce\u76ca\u6027\u306e\u9ad8\u3044\u4e8b\u696d\u3068\u898b\u306a\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u73fe\u72b6\u306e\u4f53\u5236\u3067\u7dad\u6301\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3067\u3059\u3002<\/p>\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u81ea\u5b85\u30b5\u30fc\u30d0\u30fc\u3067DDNS\u3092\u5229\u7528\u3057WEB\u30b5\u30a4\u30c8\u3092\u516c\u958b\u3059\u308b<\/h3>\n\n\n\n<p>\u81ea\u5b85\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u5b9a\u671f\u7684\u306b\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u5b9f\u884c\u3057\u3001Value Domain\u306eDDNS\u30b5\u30fc\u30d3\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066IP\u30a2\u30c9\u30ec\u30b9\u3092\u66f4\u65b0\u3057\u307e\u3059\u3002<br>\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u8a73\u7d30\u306f<a href=\"https:\/\/www.value-domain.com\/ddns.php?action=howto\">https:\/\/www.value-domain.com\/ddns.php?action=howto<\/a>\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002 <\/p>\n\n\n\n<p><img decoding=\"async\" class=\"wp-image-42708\" style=\"width: 480px\" src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/09\/ddns-11.png\" alt=\"\u81ea\u5b85\u30b5\u30fc\u30d0\u306e\u5229\u7528\u56f3\"><\/p>\n\n\n\n<p>\u7121\u6761\u4ef6\u3067\u5b9a\u671f\u7684\u306bValue Domain\u306eDDNS\u30b5\u30fc\u30d3\u30b9\u3078http\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u51fa\u3057\u3066\u3082\u5927\u4e08\u592b\u3067\u3059\u304c\u3001\u3053\u3053\u3067\u306f\u81ea\u5206\u306e\u5916\u90e8IP\u30a2\u30c9\u30ec\u30b9\u304c\u5909\u308f\u3063\u305f\u3068\u8a8d\u8b58\u3057\u305f\u3068\u304d\u306e\u307fValue Domain DDNS\u30b5\u30fc\u30d3\u30b9\u306bHTTP\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u51fa\u3059\u3088\u3046\u306bpython\u3067\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3057\u3066\u30b5\u30fc\u30d0\u30fc\uff08OS\u306fLinux\uff09\u306b\u5b9f\u88c5\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>DDNS\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\uff11\u3000<code>setddn<\/code><\/strong><code>s.py<\/code><\/p>\n\n\n<pre class=\"line-numbers\"><code class=\"language-python\">#setddns.py\nimport requests\nimport ipaddress\nfrom datetime import datetime\nfrom pathlib import Path\n\n# SETTING DATA\nMY_DOMAIN = \"example.jp\"\nMY_PASS = \"1234567890\"\nMY_HOSTNAME = \"www\"\nOUT_FILE = Path(\"\/tmp\/ipadress\")\n\ndef time_msg():\n    now = datetime.now()\n    return now.strftime(\"%Y\/%m\/%d %H:%M:%S\")\n\ndef is_valid_ip(ip_str):\n    try:\n        ipaddress.ip_address(ip_str)\n        return True\n    except ValueError:\n        return False\n\ndef main():\n    # Check Global IP Address\n    url_get_ip = \"https:\/\/dyn.value-domain.com\/cgi-bin\/dyn.fcg?ip\"\n    try:\n        response = requests.get(url_get_ip, timeout=10)\n        response.raise_for_status()\n        current_ip = response.text.strip()\n    except requests.RequestException as e:\n        print(f\"{time_msg()} Failed to get IP: {e}\")\n        return\n\n    # IP check\n    mssg = time_msg()\n    if not current_ip:\n        print(f\"{mssg} invalid IP NULL\")\n        return\n\n    if not is_valid_ip(current_ip):\n        print(f\"{mssg} invalid IP={current_ip}\")\n        return\n\n    # Read previous IP\n    previous_ip = \"\"\n    if OUT_FILE.exists():\n        with open(OUT_FILE, \"r\") as f:\n            previous_ip = f.read().strip()\n\n    if current_ip == previous_ip:\n        print(f\"{time_msg()} no change IP={current_ip}\")\n        return\n    else:\n        print(f\"change IP from {previous_ip} to {current_ip}\")\n\n    # Update DDNS\n    mssg = time_msg()\n    print(f\"{mssg} access to value-domain\")\n\n    url_set_ddns = (\n        f\"https:\/\/dyn.value-domain.com\/cgi-bin\/dyn.fcg?\"\n        f\"d={MY_DOMAIN}&amp;p={MY_PASS}&amp;h={MY_HOSTNAME}\"\n    )\n\n    try:\n        response = requests.get(url_set_ddns, timeout=10)\n        response.raise_for_status()\n        # \u6539\u884c\u3092\u30b9\u30da\u30fc\u30b9\u306b\u5909\u63db\u3057\u3001\u9023\u7d9a\u3059\u308b\u30b9\u30da\u30fc\u30b9\u30921\u3064\u306b\u307e\u3068\u3081\u308b\n        result = ' '.join(response.text.strip().split())\n    except requests.RequestException as e:\n        print(f\"{time_msg()} Failed to update DDNS: {e}\")\n        return\n\n    mssg = time_msg()\n    print(f\"{mssg} {MY_HOSTNAME}.{MY_DOMAIN} {result} IP={current_ip}\")\n\n    # DDNS\u66f4\u65b0\u304c\u6210\u529f\u3057\u305f\u5834\u5408\u306e\u307fIP\u3092\u4fdd\u5b58\n    if \"status=0\" in result:\n        with open(OUT_FILE, \"w\") as f:\n            f.write(current_ip)\n        print(f\"{mssg} Successfully saved new IP: {current_ip}\")\n    else:\n        print(f\"{mssg} DDNS update failed, IP not saved\")\n\nif __name__ == \"__main__\":\n    main()\n<\/code><\/pre>\n\n\n<p>\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u4e2d\u306e\u5909\u6570\u306e\u521d\u671f\u8a2d\u5b9a<\/p>\n\n\n\n<ul>\n<li>MY_DOMAIN\uff1a\u30c9\u30e1\u30a4\u30f3\u540d\u3000\u4f8b\uff09example.jp<\/li>\n\n\n\n<li>MY_PASS\uff1a\u30d1\u30b9\u30ef\u30fc\u30c9<\/li>\n\n\n\n<li>MY_HOSTNAME\uff1a\u30db\u30b9\u30c8\u540d\u3000\u4f8b\uff09www<\/li>\n\n\n\n<li>OUT_FILE\uff1a IP\u30a2\u30c9\u30ec\u30b9\u8a18\u9332\u30d5\u30a1\u30a4\u30eb\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u4ee5\u4e0a\u3092\u8a2d\u5b9a\u3057\u3066CRON\u306b\uff11\uff10\u5206\u9593\u9694\u3067\u767b\u9332\u3059\u308c\u3070\u52d5\u4f5c\u3057\u307e\u3059<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">CRON\u3000crontab\u8a2d\u5b9a\u4f8b\uff08\/etc\/crontab\uff09<\/h4>\n\n\n\n<p>*\/10 * * * * \/usr\/bin\/python3 \/path\/to\/your\/setddns.py &gt;&gt; \/var\/log\/ddns_updater.log 2&gt;&amp;1<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u624b\u52d5\u3067\u5b9f\u884c\u3057\u305f\u4f8b<\/h4>\n\n\n\n<p>IP\u30a2\u30c9\u30ec\u30b9\u306b\u5909\u66f4\u304c\u306a\u3044\u5834\u5408\u306f\u30ea\u30af\u30a8\u30b9\u30c8\u306f\u6295\u3052\u305a\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u7d42\u4e86\u3057\u307e\u3059\u3002\u5909\u66f4\u304c\u3042\u3063\u305f\u5834\u5408\u306f\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u6295\u3052\u307e\u3059\u3002 <\/p>\n\n\n\n<p><img decoding=\"async\" class=\"wp-image-43031\" style=\"width: 480px\" src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/09\/ddns-17.png\" alt=\"\u624b\u52d5\uff24\uff24\uff2e\uff33\u8a2d\u5b9a \u30ea\u30af\u30a8\u30b9\u30c8\"><\/p>\n\n\n\n<p>\u6210\u529f\u3059\u308c\u3070status=0\u304c\u8fd4\u3055\u308c\u307e\u3059\u3002\u5b9f\u969b\u5909\u308f\u3063\u3066\u3044\u308b\u304bValue Domain\u306eDNS\u8a2d\u5b9a\u6b04\u3067\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u8a2d\u5b9a\u5909\u66f4\u306f\u6210\u529f\u3057\u305f\u3089Value Domain\u306eDNS\u4e0a\u306f\u3059\u3050\u306b\u5909\u308f\u308a\u307e\u3059\u3002\u305d\u306e\u5f8c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3078\u306e\u53cd\u6620\u306f\uff11\uff10\u5206\u7a0b\u5ea6\u3067\u53cd\u6620\u3055\u308c\u307e\u3059\u3002<br>\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u610f\u5473\uff08status\uff09\u306e\u610f\u5473\u306f\u6b21\u8868\u306e\u3068\u304a\u308a\u3067\u3059\u3002<br>\u203bValue Domain\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d1\u30cd\u30eb\u3067DNS\u3092\u8a2d\u5b9a\u5909\u66f4\u3057\u305f\u76f4\u5f8c\u306b\u5b9f\u65bd\u3059\u308b\u3068\u7a00\u306b503\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u901a\u5e38\u306fCRON\u3067\uff11\uff10\u5206\u6bce\u3067IP\u30a2\u30c9\u30ec\u30b9\u5909\u66f4\u6642\u306e\u307f\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3067\u3059\u306e\u3067\u30a8\u30e9\u30fc\u306f\u307b\u307c\u767a\u751f\u3057\u307e\u305b\u3093\u3002<br><img decoding=\"async\" class=\"wp-image-43030\" style=\"width: 480px\" src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/09\/ddns-18.png\" alt=\"\u30ec\u30b9\u30dd\u30f3\u30b9\u5185\u5bb9\"><\/p>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-group has-lightyellow-background-color has-background is-layout-constrained wp-block-group-is-layout-constrained\" style=\"padding-top:10px;padding-right:20px;padding-bottom:10px;padding-left:20px\"><div class=\"wp-block-group__inner-container\">\n<p><img decoding=\"async\" class=\"wp-image-43032\" style=\"width: 42px\" src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/09\/ddns-19.png\" alt=\"\u30ef\u30f3\u30dd\u30a4\u30f3\u30c8\u30d2\u30f3\u30c8\"><strong>\u81ea\u5b85\u306e\u5916\u90e8IP\u30a2\u30c9\u30ec\u30b9\u306f\u3069\u3046\u3084\u3063\u3066\u77e5\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/strong><br>\u81ea\u5b85\u306e\u5916\u90e8IP\u30a2\u30c9\u30ec\u30b9\u3092\u77e5\u308b\u306b\u306f\u3044\u308d\u3044\u308d\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u30eb\u30fc\u30bf\u30fc\u306e\u7ba1\u7406\u753b\u9762\u3067WAN\u5074\u306e\u72b6\u614b\u8868\u793a\u3067\u77e5\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u304c\u3001\u30eb\u30fc\u30bf\u30fc\u306e\u7ba1\u7406\u753b\u9762\u306b\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u78ba\u8a8d\u3059\u308b\u306e\u3082\u9762\u5012\u3067\u3059\u3002<br>\u3082\u3063\u3068\u7c21\u5358\u306b\u77e5\u308b\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u3067\u3057\u3087\u3046\u304b\uff1f<br>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306b\u5916\u90e8IP\u3092\u77e5\u308b\u30b5\u30fc\u30d3\u30b9\u3092\u63d0\u4f9b\u3055\u308c\u3066\u3044\u308b\u3068\u3053\u308d\u304c\u305f\u304f\u3055\u3093\u3042\u308a\u307e\u3059\u3002\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u691c\u7d22\u3067\u300cip\u30a2\u30c9\u30ec\u30b9\u300d\u3068\u5165\u529b\u3059\u308c\u3070\u3001\u63d0\u4f9b\u30b5\u30a4\u30c8\u304c\u3059\u3050\u306b\u898b\u3064\u304b\u308b\u306f\u305a\u3067\u3059\u3002<br><img decoding=\"async\" class=\"wp-image-43034\" style=\"width: 480px\" src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/09\/ddns-20.png\" alt=\"\uff29\uff30\u30a2\u30c9\u30ec\u30b9\u78ba\u8a8d\"><br><br>\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u81ea\u52d5\u53d6\u5f97\u3057\u305f\u3044\u5834\u5408\u306f\u3001<strong>Amazon Web Services (AWS)<\/strong> \u304c\u63d0\u4f9b\u3057\u3066\u3044\u308b\u516c\u5f0f\u306eIP\u78ba\u8a8d\u30b5\u30fc\u30d3\u30b9<a href=\"https:\/\/checkip.amazonaws.com\">https:\/\/checkip.amazonaws.com<\/a>\u3092\u5229\u7528\u3057\u307e\u3059\u3002AWS\u306e\u30a4\u30f3\u30d5\u30e9\u4e0a\u3067\u904b\u7528\u3055\u308c\u3066\u304a\u308a\u3001\u4fe1\u983c\u6027\u304c\u9ad8\u3044\u3067\u3059\u3002<br><strong>Value Domain<\/strong>\u3067\u3082<a href=\"https:\/\/dyn.value-domain.com\/cgi-bin\/dyn.fcg?ip\">https:\/\/dyn.value-domain.com\/cgi-bin\/dyn.fcg?ip<\/a> \u3067IP\u30a2\u30c9\u30ec\u30b9\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u4eca\u56de\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u81ea\u5b85IP\u30a2\u30c9\u30ec\u30b9\u306e\u78ba\u8a8d\u3067\u306f\u3053\u308c\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/div><\/div>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u81ea\u5b85\u30b5\u30fc\u30d0\u30fc\u3068\u9023\u643a\u3057WEB\u30b5\u30a4\u30c8\u3068WEB\u76e3\u8996\u30ab\u30e1\u30e9\u6620\u50cf\u3092\u516c\u958b\u3059\u308b<\/h3>\n\n\n\n<p><strong>DDNS\u30b5\u30fc\u30d3\u30b9<\/strong>\u3068<strong>\u30dd\u30fc\u30c8\u30d5\u30a9\u30ef\u30fc\u30c7\u30a3\u30f3\u30b0<\/strong>\u3001<strong>\u30ea\u30d0\u30fc\u30b9\u30d7\u30ed\u30ad\u30b7<\/strong>\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u3001\u5bb6\u5ead\u5185\u306b\u3042\u308bWEB\u30b5\u30a4\u30c8\u3068\u30ab\u30e1\u30e9\u6620\u50cf\u3092\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u7d4c\u7531\u3067\u5916\u90e8\u306b\u516c\u958b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><img decoding=\"async\" class=\"wp-image-43219\" style=\"width: 480px\" src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/09\/ddns-12.png\" alt=\"\u81ea\u5b85\u30b5\u30fc\u30d0\u3068WEB\u76e3\u8996\u30ab\u30e1\u30e9\u306e\u4f75\u7528\u56f3\"><\/p>\n\n\n\n<p>\u3053\u306e\u56f3\u306f\u3001\u81ea\u5b85\u306b\u8a2d\u7f6e\u3055\u308c\u305fWeb\u30b5\u30fc\u30d0\u30fc\u3068\u76e3\u8996\u30ab\u30e1\u30e9\u306e\u6620\u50cf\u3092\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u7d4c\u7531\u3067\u5b89\u5168\u306b\u5916\u90e8\u516c\u958b\u3059\u308b\u305f\u3081\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u69cb\u6210\u3092\u793a\u3057\u305f\u3082\u306e\u3067\u3059\u3002<strong>DDNS\u3001\u30dd\u30fc\u30c8\u30d5\u30a9\u30ef\u30fc\u30c7\u30a3\u30f3\u30b0\u3001\u30ea\u30d0\u30fc\u30b9\u30d7\u30ed\u30ad\u30b7<\/strong>\u306e3\u3064\u306e\u6280\u8853\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u52d5\u7684IP\u74b0\u5883\u3067\u3082\u5b89\u5b9a\u3057\u305f\u30a2\u30af\u30bb\u30b9\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul>\n<ol type=\"1\" start=\"1\">\n<li><strong>DDNS<\/strong>\n<ul>\n<li>\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u5b9a\u671f\u7684\u3082\u3057\u304f\u306fIP\u30a2\u30c9\u30ec\u30b9\uff08\u4f8b\uff1a<strong>58.12.xxx.xxx<\/strong>\uff09\u304c\u5909\u308f\u3063\u305f\u6642\u306bIP\u30a2\u30c9\u30ec\u30b9\u66f4\u65b0\u901a\u77e5\u3092\u30c0\u30a4\u30ca\u30df\u30c3\u30afDNS\u30b5\u30fc\u30d3\u30b9\u306b\u9001\u4fe1\u3057\u307e\u3059\u3002\u305d\u306e\uff12\uff0e\u306e\u66f4\u65b0\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u5229\u7528\u3057\u3066\u81ea\u52d5\u66f4\u65b0\u3055\u305b\u307e\u3059\u3002<\/li>\n\n\n\n<li>DDNS\u30b5\u30fc\u30d3\u30b9\u306f\u3001\u3053\u306e\u60c5\u5831\u3092\u53d7\u3051\u53d6\u308a\u3001DNS\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u5185\u306e\u300cwww.example.jp\u300d\u306b\u5bfe\u5fdc\u3059\u308bIP\u30a2\u30c9\u30ec\u30b9\u3092\u6700\u65b0\u306e\u3082\u306e\u306b\u66f4\u65b0\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u30e6\u30fc\u30b6\u306fwww.example.jp\u306e\u30db\u30b9\u30c8\u540d\u3067\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u30dd\u30fc\u30c8\u30d5\u30a9\u30ef\u30fc\u30c7\u30a3\u30f3\u30b0<\/strong>\n<ul>\n<li><strong>\u5916\u90e8\u304b\u3089\u306e\u30a2\u30af\u30bb\u30b9<\/strong>: \u30e6\u30fc\u30b6\u30fc\u304c\u300chttps:\/\/www.example.jp\u300d\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3068\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u306fDNS\u306b\u3088\u3063\u3066\u89e3\u6c7a\u3055\u308c\u305fIP\u30a2\u30c9\u30ec\u30b9\uff08<strong>58.12.xxx.xxx<\/strong>\uff09\u3092\u901a\u308a\u3001\u307e\u305a\u30eb\u30fc\u30bf\u30fc\u306b\u5230\u9054\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30eb\u30fc\u30bf\u30fc\u306b\u3088\u308b\u632f\u308a\u5206\u3051<\/strong>: \u30eb\u30fc\u30bf\u30fc\u306f\u3001\u53d7\u4fe1\u3057\u305fHTTP\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u30dd\u30fc\u30c8\u756a\u53f7\uff08\u56f3\u3067\u306fHTTPS\u306e<strong>443<\/strong>\uff09\u3092\u898b\u3066\u3001\u4e8b\u524d\u306b\u8a2d\u5b9a\u3055\u308c\u305f\u30eb\u30fc\u30eb\u306b\u57fa\u3065\u304d\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u7279\u5b9a\u306e\u6a5f\u5668\uff08\u3053\u306e\u5834\u5408\u306f<strong>\u30ea\u30d0\u30fc\u30b9\u30d7\u30ed\u30ad\u30b7<\/strong>\u3068\u3057\u3066\u52d5\u4f5c\u3059\u308b\uff37\uff37\uff37\u30b5\u30fc\u30d0\u30fc\uff09\u306b\u8ee2\u9001\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u30ea\u30d0\u30fc\u30b9\u30d7\u30ed\u30ad\u30b7<\/strong>\n<ul>\n<li>\u30e6\u30fc\u30b6<strong>\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u632f\u308a\u5206\u3051<\/strong>: \u56f3\u3067\u306f\u3001\u30ea\u30d0\u30fc\u30b9\u30d7\u30ed\u30ad\u30b7\uff08\u30b5\u30fc\u30d0\u30fcWWW\u3001IP\u30a2\u30c9\u30ec\u30b9<strong>192.168.20.2<\/strong>\uff09\u304c\u3001\u4ee5\u4e0b\u306e2\u3064\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u51e6\u7406\u3057\u3066\u3044\u307e\u3059\u3002\n<ul>\n<li><strong>\u30db\u30fc\u30e0\u30da\u30fc\u30b8\uff08<code>\/<\/code>\uff09\u3078\u306e\u30a2\u30af\u30bb\u30b9<\/strong>:\u300chttps:\/\/www.example.jp\/\u300d\u3078\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u306f\u3001\u30b5\u30fc\u30d0\u30fcWWW\u81ea\u8eab\uff08<strong>https(443)<\/strong>\uff09\u306b\u4e2d\u7d99\u3055\u308c\u3001\u30db\u30fc\u30e0\u30da\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30ab\u30e1\u30e9\u6620\u50cf\uff08<code>\/camera\/<\/code>\uff09\u3078\u306e\u30a2\u30af\u30bb\u30b9<\/strong>:\u300chttps:\/\/www.example.jp\/camera\/\u300d\u3078\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u306f\u3001\u30ea\u30d0\u30fc\u30b9\u30d7\u30ed\u30ad\u30b7\u306b\u3088\u3063\u3066\u30ab\u30e1\u30e9\uff08IP\u30a2\u30c9\u30ec\u30b9<strong>192.168.20.20<\/strong>\uff09http(80)\u306b\u4e2d\u7d99\u3055\u308c\u3001\u30ab\u30e1\u30e9\u306e\u6620\u50cf\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30ab\u30e1\u30e9\u81ea\u4f53\u306e\u30b5\u30fc\u30d3\u30b9\u306f\uff48\uff54\uff54\uff50\u3067\u3059\u304c\u3001\u3053\u306e\u5834\u5408\u306f\uff48\uff54\uff54\uff50\uff53\u3068\u3057\u3066\u516c\u958b\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<\/ul>\n\n\n\n<div class=\"wp-block-group has-lightyellow-background-color has-background is-layout-constrained wp-block-group-is-layout-constrained\" style=\"padding-top:10px;padding-right:20px;padding-bottom:10px;padding-left:20px\"><div class=\"wp-block-group__inner-container\">\n<p><img decoding=\"async\" class=\"wp-image-43032\" style=\"width: 42px\" src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/09\/ddns-19.png\" alt=\"\u30ef\u30f3\u30dd\u30a4\u30f3\u30c8\u30d2\u30f3\u30c8\"><strong>\u30ea\u30d0\u30fc\u30b9\u30d7\u30ed\u30ad\u30b7\u3063\u3066\uff1f<\/strong><br>\u30ea\u30d0\u30fc\u30b9\u30d7\u30ed\u30ad\u30b7\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u4ee3\u308f\u308a\u306b\u53d7\u3051\u53d6\u308a\u3001\u5185\u90e8\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u8ee2\u9001\u3059\u308b<strong>\u30b5\u30fc\u30d0\u30fc<\/strong>\u3067\u3059\u3002\u5916\u90e8\u304b\u3089\u306f\u30ea\u30d0\u30fc\u30b9\u30d7\u30ed\u30ad\u30b7\u304c\u6700\u7d42\u7684\u306a\u63a5\u7d9a\u5148\u306b\u898b\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">\u7279\u6027<\/h5>\n\n\n\n<ul>\n<li><strong>\u5358\u4e00\u306e\u516c\u958bIP\u30a2\u30c9\u30ec\u30b9<\/strong>: \u8907\u6570\u306e\u5185\u90e8\u30b5\u30fc\u30d0\u30fc\u3092\u3001\u5358\u4e00\u306e\u30b0\u30ed\u30fc\u30d0\u30ebIP\u30a2\u30c9\u30ec\u30b9\u3068\u30dd\u30fc\u30c8\u3067\u516c\u958b\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u8ca0\u8377\u5206\u6563<\/strong>: \u8907\u6570\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u5206\u6563\u3055\u305b\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u96c6\u4e2d\u3092\u9632\u304e\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/strong>: \u5185\u90e8\u30b5\u30fc\u30d0\u30fc\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u5916\u90e8\u304b\u3089\u96a0\u3057\u3001\u76f4\u63a5\u653b\u6483\u3092\u9632\u304e\u307e\u3059\u3002SSL\/TLS\u901a\u4fe1\u3092\u4ee3\u884c\u3059\u308b\u3053\u3068\u3067\u3001\u8a3c\u660e\u66f8\u306e\u7ba1\u7406\u3092\u4e00\u5143\u5316\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30ad\u30e3\u30c3\u30b7\u30e5<\/strong>: \u9759\u7684\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308b\u3053\u3068\u3067\u3001\u5fdc\u7b54\u901f\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u3001\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u30b5\u30fc\u30d0\u30fc\u306e\u8ca0\u8377\u3092\u8efd\u6e1b\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">\u30ea\u30d0\u30fc\u30b9\u30d7\u30ed\u30ad\u30b7\u8a2d\u5b9a\u4f8b<\/h4>\n\n\n\n<p>Apache<br><img decoding=\"async\" class=\"wp-image-43042\" style=\"width: 480px\" src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/09\/ddns-21.png\" alt=\"apache\u30ea\u30d0\u30fc\u30b9\u30d7\u30ed\u30ad\u30b7\u8a2d\u5b9a\u4f8b\"><\/p>\n\n\n\n<p>Nginx<br><img decoding=\"async\" class=\"wp-image-43044\" style=\"width: 480px\" src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/09\/ddns-22.png\" alt=\"Nginx\u30ea\u30d0\u30fc\u30b9\u30d7\u30ed\u30ad\u30b7\u8a2d\u5b9a\u4f8b\"><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5916\u90e8\u30b5\u30fc\u30d0\u30fc\u3068\u9023\u643a\u3057WEB\u76e3\u8996\u30ab\u30e1\u30e9\u306e\u6620\u50cf\u3092\u516c\u958b\u3059\u308b<\/h3>\n\n\n\n<p>\u76e3\u8996\u30ab\u30e1\u30e9\u3084\u30eb\u30fc\u30bf\u30fc\u304c\u72ec\u81eaDDNS\u306e\u5229\u7528\u304c\u3067\u304d\u305a\u3001\u304b\u3064\u81ea\u5b85\u30b5\u30fc\u30d0\u30fc\u3082\u306a\u3044\u5834\u5408\u306f\u3069\u3046\u3057\u305f\u3089\u826f\u3044\u3067\u3057\u3087\u3046\u304b\uff1f\u3000\u5916\u90e8\u30b5\u30fc\u30d0\u30fc\u3092\u904b\u7528\u3057\u3066\u304a\u308a\u3001\u3082\u3057\u81ea\u5b85\u5185\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u5668\u304c\u5916\u90e8\u30b5\u30fc\u30d0\u30fc\u306b\u5bfe\u3057\u3066\u306a\u3093\u3089\u304b\u306e\u30a2\u30af\u30bb\u30b9\u304c\u53ef\u80fd\u306a\u5834\u5408\u306b\u5bfe\u5fdc\u53ef\u80fd\u3067\u3059\u3002\u4f8b\u3048\u3070syslog\u3001snmp\u3001ftp\u3001http\u306a\u3069\u3067\u3059\u3002\u4eca\u56de\u306fsyslog\u3092\u5229\u7528\u3057\u305f\u65b9\u6cd5\u3092\u7d39\u4ecb\u3044\u305f\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u81ea\u5b85\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u5668\u304c\u5916\u90e8\u30b5\u30fc\u30d0\u30fc\u306bsyslog\u3092\u9001\u4fe1\u3059\u308b\u5834\u5408\u3001\u30ed\u30b0\u304b\u3089IP\u30a2\u30c9\u30ec\u30b9\u3068MAC\u30a2\u30c9\u30ec\u30b9\u3092\u62bd\u51fa\u3057\u3001\u5bfe\u8c61\u6a5f\u5668\u3092\u7279\u5b9a\u3057\u3066Value Domain\u306eDDNS\u3092\u66f4\u65b0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><img decoding=\"async\" class=\"wp-image-43221\" style=\"width: 480px\" src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/09\/ddns-13.png\" alt=\"\u5916\u90e8\u30b5\u30fc\u30d0\u30fc\u3068WEB\u76e3\u8996\u30ab\u30e1\u30e9\u306e\u4f75\u7528\u56f3\"><\/p>\n\n\n\n<p>\u3053\u306e\u56f3\u306f\u3001<strong>\u5916\u90e8\u30b5\u30fc\u30d0\u30fc\u3092\u4e2d\u7d99\u3057\u3066\u81ea\u5b85IP\u30a2\u30c9\u30ec\u30b9\u3092\u691c\u51fa\u30fb\u66f4\u65b0<\/strong>\u3057\u3001\u72ec\u81ea\u30c9\u30e1\u30a4\u30f3\u3067\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u306b\u3059\u308b\u4ed5\u7d44\u307f\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ul>\n<ol type=\"1\" start=\"1\">\n<li><strong>SYSLOG\u9001\u4fe1<\/strong>\n<ul>\n<li>\u81ea\u5b85\u30eb\u30fc\u30bf\u30fc\u304b\u3089\u6a5f\u5668\u60c5\u5831\u3092\u5b9a\u671f\u7684\u306b\u5916\u90e8\u30b5\u30fc\u30d0\u30fc\uff08\u4f8b\uff1a160.251.xxx.xxx\uff09\u3078SYSLOG\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b\u3002\uff08\u3053\u306e\u5834\u5408\u3001\u9001\u4fe1\u5185\u5bb9\u306f\u306a\u3093\u3067\u3082\u3088\u304f\u3001\uff11\u6642\u9593\u306b\uff11\u56de\u4ee5\u4e0a\u306f\u5b9a\u671f\u7684\u306b\u9001\u4fe1\u3067\u304d\u308c\u3070\u826f\u3044\uff09<\/li>\n\n\n\n<li>\u5916\u90e8\u30b5\u30fc\u30d0\u30fc\u306f\u30eb\u30fc\u30bf\u30fc\u304b\u3089\u306eSYSLOG\u30c7\u30fc\u30bf\u3092\u53d7\u4fe1\u3057\u3001LOG\u304b\u3089\u81ea\u5b85\u30eb\u30fc\u30bf\u30fc\u304b\u3089\u306e\u60c5\u5831\u3092\u7279\u5b9a\u3057IP\u30a2\u30c9\u30ec\u30b9\u3092\u8a18\u9332\u3059\u308b\u3002\u81ea\u5b85\u30eb\u30fc\u30bf\u30fc\u306e\u7279\u5b9a\u306fMAC\u30a2\u30c9\u30ec\u30b9\u307e\u305f\u306f\u6a5f\u5668ID\u3067\u884c\u3046\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>DDNS<\/strong>\n<ul>\n<li>\u5916\u90e8\u30b5\u30fc\u30d0\u30fc\u306f\u8a18\u9332\u3057\u305fMAC\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u81ea\u5b85\u30eb\u30fc\u30bf\u30fc\u306eIP\u30a2\u30c9\u30ec\u30b9\uff08\u4f8b\uff1a<strong>58.12.xxx.xxx<\/strong>\uff09\u3092\u7279\u5b9a\u3057\u5909\u308f\u3063\u305f\u6642\u306b\uff29\uff30\u30a2\u30c9\u30ec\u30b9\u66f4\u65b0\u901a\u77e5\u3092\u30c0\u30a4\u30ca\u30df\u30c3\u30afDNS\u30b5\u30fc\u30d3\u30b9\u306b\u9001\u4fe1\u3057\u307e\u3059\u3002\u305d\u306e\uff12\uff0e\u306e\u66f4\u65b0\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u5229\u7528\u3057\u3066\u81ea\u52d5\u66f4\u65b0\u3055\u305b\u307e\u3059\u3002<\/li>\n\n\n\n<li>DDNS\u30b5\u30fc\u30d3\u30b9\u306f\u3001\u3053\u306e\u60c5\u5831\u3092\u53d7\u3051\u53d6\u308a\u3001DNS\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u5185\u306e\u300cwww.example.jp\u300d\u306b\u5bfe\u5fdc\u3059\u308bIP\u30a2\u30c9\u30ec\u30b9\u3092\u6700\u65b0\u306e\u3082\u306e\u306b\u66f4\u65b0\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u30e6\u30fc\u30b6\u30fc\u306fwww.example.jp\u306e\u30db\u30b9\u30c8\u540d\u3067\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<\/ul>\n\n\n\n<p>  \u203b\u81ea\u5b85\u30b5\u30fc\u30d0\u30fc\u3068\u540c\u69d8\u306b\u5916\u90e8\u30b5\u30fc\u30d0\u30fc\u306b\u30ea\u30d0\u30fc\u30b9\u30d7\u30ed\u30ad\u30b7\u3092\u8a2d\u5b9a\u3057\u3066\u5916\u90e8\u30b5\u30fc\u30d0\u30fc\u3067\u5229\u7528\u3057\u3066\u3044\u308b\u30c9\u30e1\u30a4\u30f3\u3067\u306e\u516c\u958b\u3082\u53ef\u80fd\u3067\u3059\u3002\u3053\u306e\u5834\u5408\u3001DDNS\u306f\u5fc5\u8981\u306a\u304fIP\u30a2\u30c9\u30ec\u30b9\u76f4\u5024\u3067\u7d10\u3065\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">BUFFALO\u30eb\u30fc\u30bf\u30fc\u3067\u306e\u5177\u4f53\u7684\u306a\u8a2d\u5b9a\u4f8b<\/h4>\n\n\n\n<p>\u7ba1\u7406\u753b\u9762\u3067\u300c\u30ed\u30b0\u300d\u306bsyslog\u30b5\u30fc\u30d0\u30fc\u8a2d\u5b9a\u304c\u3042\u308a\u307e\u3059\u306e\u3067\u300c\u4f7f\u7528\u3059\u308b\u300d\u306b\u30c1\u30a7\u30c3\u30af\u3092\u3044\u308c\u307e\u3059\u3002syslog\u30b5\u30fc\u30d0\u30fc\u306b\u306f\u5916\u90e8\u30b5\u30fc\u30d0\u30fc\u306eIP\u30a2\u30c9\u30ec\u30b9\u3082\u3057\u304f\u306f\u30db\u30b9\u30c8\u540d\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<br>\u8ee2\u9001\u3059\u308b\u60c5\u5831\u306f\u306a\u3093\u3067\u3082\u3044\u3044\u3067\u3059\u304c\u3001\u3053\u306e\u5834\u5408NTP\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u5fc5\u9808\u3067\u3059\u3002BUFFALO\u30eb\u30fc\u30bf\u30fc\u306e\u5834\u5408\u306f\uff11\u6642\u9593\u306b\uff11\u56de\u306f\u6642\u8a08\u5408\u308f\u305b\u30c1\u30a7\u30c3\u30af\u304c\u3042\u308a\u3053\u306e\u52d5\u4f5c\u30bf\u30a4\u30df\u30f3\u30b0\u3067syslog\u30c7\u30fc\u30bf\u304c\u9001\u4fe1\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p><img decoding=\"async\" class=\"wp-image-42711\" style=\"width: 640px\" src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/09\/ddns-03.png\" alt=\"\u30eb\u30fc\u30bf\u30fcSYSLOG\u8a2d\u5b9a\"><\/p>\n\n\n\n<p>\u5916\u90e8\u30b5\u30fc\u30d0\u30fc\u306ersyslog\u8a2d\u5b9a\u3068\u5b9f\u969b\u306e\u30ed\u30b0\u5185\u5bb9\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002routerlog\u304b\u3089MAC\u30a2\u30c9\u30ec\u30b9\u300c10:6F:3F:XX:XX:XX\u300d\u3082\u3057\u304f\u306f\u6a5f\u5668ID\u300cAP106XXXXXXXXX\u300d\u3067\u81ea\u5b85\u30eb\u30fc\u30bf\u30fc\u304b\u3089\u306e\u30a2\u30af\u30bb\u30b9\u3067\u3042\u308a\u3001\uff14\u756a\u76ee\u306e\u9805\u76ee\u306bIP\u30a2\u30c9\u30ec\u30b9\u304c\u3042\u308a\u307e\u3059\u3002<br><img decoding=\"async\" class=\"wp-image-43056\" style=\"width: 640px\" src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/09\/ddns-23.png\" alt=\"SYSLOG\u30c7\u30fc\u30bf\u3092\"><br>\u3053\u308c\u3089\u3092\u8e0f\u307e\u3048\u3066<strong>DDNS\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0<\/strong>\uff11\u306eIP\u30a2\u30c9\u30ec\u30b9\u53d6\u5f97\u90e8\u5206\u3092\u30ed\u30b0\u304b\u3089\u62bd\u51fa\u3059\u308b\u3088\u3046\u306b\u6539\u9020\u3057\u307e\u3059\u3002<br><strong>DDNS\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\uff12\u3000syslog-<code>setddns.<\/code>py<\/strong><\/p>\n\n\n<pre class=\"line-numbers\"><code class=\"language-python\">#setddns.py\nimport re\nimport requests\nimport ipaddress\nfrom datetime import datetime\nfrom pathlib import Path\n\n# SETTING DATA\nMY_DOMAIN = \"example.jp\"\nMY_PASS = \"1234567890\"\nMY_HOSTNAME = \"camera\"\nOUT_FILE = Path(\"\/tmp\/ipadress\")\nINPUT_FILE = Path(\"\/var\/log\/routerlog\")\nSEARCH_WORD = \"10:6F:3F:XX:XX:XX\"\nRESULT_ITEMNO = 4\n\ndef time_msg():\n    now = datetime.now()\n    return now.strftime(\"%Y\/%m\/%d %H:%M:%S\")\n\ndef is_valid_ip(ip_str):\n    try:\n        ipaddress.ip_address(ip_str)\n        return True\n    except ValueError:\n        return False\n\ndef get_ip_from_log():\n    try:\n        with open(INPUT_FILE, 'r') as f:\n            matching_lines = [line for line in f if SEARCH_WORD in line]\n            \n        if not matching_lines:\n            print(f\"{time_msg()} No matching lines found in log\")\n            return None\n            \n        last_line = matching_lines[-1]\n        parts = last_line.split()\n        \n        if len(parts) &lt;= RESULT_ITEMNO:\n            print(f\"{time_msg()} Log line format error\")\n            return None\n            \n        return parts[RESULT_ITEMNO]\n    except Exception as e:\n        print(f\"{time_msg()} Error reading log file: {e}\")\n        return None\n\ndef main():\n    # Get IP from log file\n    current_ip = get_ip_from_log()\n    if not current_ip:\n        return\n\n    # IP check\n    mssg = time_msg()\n    if not is_valid_ip(current_ip):\n        print(f\"{mssg} invalid IP={current_ip}\")\n        return\n\n    # Read previous IP\n    previous_ip = \"\"\n    if OUT_FILE.exists():\n        with open(OUT_FILE, \"r\") as f:\n            previous_ip = f.read().strip()\n\n    if current_ip == previous_ip:\n        print(f\"{time_msg()} no change IP={current_ip}\")\n        return\n    else:\n        print(f\"change IP from {previous_ip} to {current_ip}\")\n\n    # Update DDNS\n    mssg = time_msg()\n    print(f\"{mssg} access to value-domain\")\n\n    url_set_ddns = (\n        f\"https:\/\/dyn.value-domain.com\/cgi-bin\/dyn.fcg?\"\n        f\"d={MY_DOMAIN}&amp;p={MY_PASS}&amp;h={MY_HOSTNAME}\"\n    )\n\n    try:\n        response = requests.get(url_set_ddns, timeout=10)\n        response.raise_for_status()\n        result = ' '.join(response.text.strip().split())\n    except requests.RequestException as e:\n        print(f\"{time_msg()} Failed to update DDNS: {e}\")\n        return\n\n    mssg = time_msg()\n    print(f\"{mssg} {MY_HOSTNAME}.{MY_DOMAIN} {result} IP={current_ip}\")\n\n    # DDNS\u66f4\u65b0\u304c\u6210\u529f\u3057\u305f\u5834\u5408\u306e\u307fIP\u3092\u4fdd\u5b58\n    if \"status=0\" in result:\n        with open(OUT_FILE, \"w\") as f:\n            f.write(current_ip)\n        print(f\"{mssg} Successfully saved new IP: {current_ip}\")\n    else:\n        print(f\"{mssg} DDNS update failed, IP not saved\")\n\nif __name__ == \"__main__\":\n    main()\n<\/code><\/pre>\n\n\n<p>\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u4e2d\u306e\u5909\u6570\u306e\u521d\u671f\u8a2d\u5b9a<\/p>\n\n\n\n<ul>\n<li>MY_DOMAIN\uff1a\u30c9\u30e1\u30a4\u30f3\u540d\u3000\u4f8b\uff09example.jp<\/li>\n\n\n\n<li>MY_PASS\uff1a\u30d1\u30b9\u30ef\u30fc\u30c9<\/li>\n\n\n\n<li>MY_HOSTNAME\uff1a\u30db\u30b9\u30c8\u540d\u3000\u4f8b\uff09www<\/li>\n\n\n\n<li>OUT_FILE\uff1a IP\u30a2\u30c9\u30ec\u30b9\u8a18\u9332\u30d5\u30a1\u30a4\u30eb\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>INPUT_FILE\uff1asyslog\u30d5\u30a1\u30a4\u30eb\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>SEARCH_WORD\uff1a \u81ea\u5b85\u30eb\u30fc\u30bf\u30fc\u3092\u7279\u5b9a\u3067\u304d\u308b\u6587\u5b57\u5217\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>RESULT_ITEMNO\uff1asyslog\u30d5\u30a1\u30a4\u30eb\u4e2d\u306eIP\u30a2\u30c9\u30ec\u30b9\u304c\u3042\u308b\u9805\u76ee\u306e\u756a\u53f7\u3092\u6307\u5b9a\u3002\u5148\u982d\u306f\uff11<\/li>\n<\/ul>\n\n\n\n<p>\u4ee5\u4e0a\u3092\u8a2d\u5b9a\u3057\u3066CRON\u306b\uff11\uff10\u5206\u9593\u9694\u3067\u767b\u9332\u3059\u308c\u3070\u52d5\u4f5c\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-group has-lightyellow-background-color has-background is-layout-constrained wp-block-group-is-layout-constrained\" style=\"padding-top:10px;padding-right:20px;padding-bottom:10px;padding-left:20px\"><div class=\"wp-block-group__inner-container\">\n<p><img decoding=\"async\" class=\"wp-image-43032\" style=\"width: 42px\" src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/09\/ddns-19.png\" alt=\"\u30ef\u30f3\u30dd\u30a4\u30f3\u30c8\u30d2\u30f3\u30c8\"><strong>syslog\u4ee5\u5916\u306b\u9023\u643a\u65b9\u6cd5\u306f\u3042\u308b\uff1f<\/strong><br>\u306a\u305csyslog\u3092\u4f7f\u3046\u306e\u304b\u3068\u3044\u3046\u3068\u3001syslog\u306e\u30ed\u30b0\u306b\u306f\u30a2\u30af\u30bb\u30b9\u5143\u306eIP\u30a2\u30c9\u30ec\u30b9\u3068\u5171\u306bMAC\u30a2\u30c9\u30ec\u30b9\u304c\u8a18\u9332\u3055\u308c\u307e\u3059\u3002\u307e\u305f\u5834\u5408\u306b\u3088\u308a\u6a5f\u5668ID\u3082\u8a18\u9332\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u3063\u3066\u3044\u308d\u3093\u306a\u3068\u3053\u308d\u304b\u3089\u60c5\u5831\u304c\u9001\u3089\u308c\u3066\u304d\u307e\u3059\u304c\u3001\u81ea\u5b85\u306e\u6a5f\u5668\u3092\u7279\u5b9a\u3067\u304d\u307e\u3059\u3002<br><br>SNMP\u30c8\u30e9\u30c3\u30d7\u9001\u4fe1\u3092\u5229\u7528\u3059\u308b\u306e\u3082\u624b\u3067\u3059\u3002SNMP\u306fUDP\u30d1\u30b1\u30c3\u30c8\u306e\u305f\u3081\u30eb\u30fc\u30bf\u30fc\u3092\u901a\u904e\u3059\u308b\u305f\u3073\u306bMAC\u30a2\u30c9\u30ec\u30b9\u306f\u66f8\u304d\u63db\u3048\u3089\u308c\u308b\u306e\u3067MAC\u30a2\u30c9\u30ec\u30b9\u3067\u306f\u7279\u5b9a\u3067\u304d\u307e\u305b\u3093\u3002\u3057\u304b\u3057\u306a\u304c\u3089IP\u30a2\u30c9\u30ec\u30b9\u3068\u6a5f\u5668\u306e\u30d9\u30f3\u30c0\u30fc\u3092\u8b58\u5225\u3059\u308b\u4e00\u610f\u306e\u6a5f\u5668ID\u304c\u53d6\u5f97\u3067\u304d\u308b\u306e\u3067\u5229\u7528\u3067\u304d\u307e\u3059\u3002<br>\u305f\u3060\u6b8b\u5ff5\u306a\u3053\u3068\u306bWEB\u76e3\u8996\u30ab\u30e1\u30e9\u306e\u8a2d\u5b9a\u3067SNMP\u9805\u76ee\u304c\u3042\u308b\u306e\u3067\u3059\u304c\u3001\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u306e\u8981\u6c42\u306b\u5bfe\u3059\u308b\u5fdc\u7b54\u306e\u307f\u3067\u3001SNMP\u30c8\u30e9\u30c3\u30d7\u3092\u9001\u4fe1\u3067\u304d\u308b\u6a5f\u7a2e\u306f\u591a\u304f\u3042\u308a\u307e\u305b\u3093\u3002 <\/p>\n<\/div><\/div>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5916\u90e8\u304b\u3089\u306e\u30ea\u30e2\u30fc\u30c8\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u63a5\u7d9a\u306b\u5229\u7528<\/h3>\n\n\n\n<p>\u5916\u90e8\u304b\u3089\u81ea\u5b85\u306ePC\u3092\u30ea\u30e2\u30fc\u30c8\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u63a5\u7d9a\u3059\u308b\u306e\u306b\u5229\u7528\u3057\u307e\u3059\u3002\u3053\u306e\u5834\u5408PC\u306e\u96fb\u6e90\u306f\u5165\u3063\u3066\u30ed\u30b0\u30a4\u30f3\u3067\u304d\u308b\u72b6\u614b\u3067\u306a\u3044\u3068\u3060\u3081\u3067\u3059\u3002<\/p>\n\n\n\n<p>Wake-on-LAN (WoL) \u6a5f\u80fd\u3067PC\u3092\u9060\u9694\u64cd\u4f5c\u3067\u8d77\u52d5\u3059\u308b\u65b9\u6cd5\u3082\u3042\u308a\u307e\u304c\u3001\u3053\u306e\u5834\u5408\u306f\u4e8b\u524d\u306b\u30db\u30b9\u30c8\u540d\u3068IP\u30a2\u30c9\u30ec\u30b9\u304c\u6b63\u3057\u304fDNS\u306b\u767b\u9332\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u524d\u63d0\u3068\u306a\u308a\u307e\u3059\u3002\uff14\uff09\u306e\u3088\u3046\u306a\u624b\u6cd5\u3067\u5225\u9014DDNS\u306e\u767b\u9332\u304c\u5fc5\u8981\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>PC\u306f\u8d77\u52d5\u30b9\u30af\u30ea\u30d7\u30c8\u3067Value Domain\u306eDDNS\u3092\u66f4\u65b0\u3059\u308b\u304b\u3001\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3067\u5b9a\u671f\u7684\u306b\u30d0\u30c3\u30c1\u51e6\u7406\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30ea\u30e2\u30fc\u30c8\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u63a5\u7d9a\u7528\u306e\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u56fa\u5b9a\u5316\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p><img decoding=\"async\" class=\"wp-image-42712\" style=\"width: 480px\" src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/09\/ddns-14.png\" alt=\"\u5916\u90e8\u304b\u3089\u306e\u30ea\u30e2\u30fc\u30c8\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u63a5\u7d9a\u5229\u7528\u56f3\"><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4ed6\u793eDDNS\u3068CNAME\u3092\u5229\u7528\u3057\u305f\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u76e3\u8996\u30ab\u30e1\u30e9\u304c\u4ed6\u793eDDNS\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u305d\u306e\u30db\u30b9\u30c8\u540d\u3092Value Domain\u306eDNS\u3067CNAME\u8a2d\u5b9a\u3057\u3001\u72ec\u81ea\u30c9\u30e1\u30a4\u30f3\u3067\u904b\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><img decoding=\"async\" class=\"wp-image-42713\" style=\"width: 480px\" src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/09\/ddns-15.png\" alt=\"\u4ed6\u793eDDNS\u3068CNAME\u3092\u5229\u7528\u3057\u305f\u65b9\u6cd5\"><\/p>\n\n\n\n<p><img decoding=\"async\" class=\"wp-image-42714\" style=\"width: 640px\" src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/09\/ddns-16.png\" alt=\"CNAME DNS\u8a2d\u5b9a\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DDNS\u306b\u95a2\u3059\u308b\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">DDNS\u306f\u7121\u6599\u3067\u4f7f\u3048\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p>\u306f\u3044\u3001<strong>Value Domain\u3067\u306fDDNS\u30b5\u30fc\u30d3\u30b9\u3092\u7121\u6599\u3067\u3054\u5229\u7528\u3044\u305f\u3060\u3051\u307e\u3059<\/strong>\u3002<br>\u5bfe\u8c61\u306e\u30c9\u30e1\u30a4\u30f3\u3092\u3054\u5229\u7528\u4e2d\u3067\u3042\u308c\u3070\u3001\u7ba1\u7406\u753b\u9762\u304b\u3089\u7c21\u5358\u306bDDNS\u306e\u8a2d\u5b9a\u304c\u53ef\u80fd\u3067\u3059\u3002\u8ffd\u52a0\u8cbb\u7528\u306a\u304f\u3001\u52d5\u7684IP\u74b0\u5883\u3067\u3082\u5b89\u5b9a\u3057\u305f\u30db\u30b9\u30c8\u540d\u3067\u306e\u30a2\u30af\u30bb\u30b9\u304c\u5b9f\u73fe\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u8a73\u3057\u304f\u306f\u3053\u3061\u3089\u25b6<a href=\"https:\/\/www.value-domain.com\/userguide\/manual\/ddns\" target=\"_blank\" rel=\"noreferrer noopener\">DDNS\u306e\u8a2d\u5b9a\u65b9\u6cd5\u3092\u898b\u308b<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u56fa\u5b9aIP\u3068DDNS\u306f\u3069\u3061\u3089\u304c\u3088\u3044\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p>\u305d\u308c\u305e\u308c\u306b\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\u304c\u3001<strong>\u30b3\u30b9\u30c8\u3068\u67d4\u8edf\u6027\u3092\u91cd\u8996\u3059\u308b\u306a\u3089DDNS\u304c\u304a\u3059\u3059\u3081\u3067\u3059<\/strong>\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u9805\u76ee<\/th><th>\u56fa\u5b9aIP<\/th><th>DDNS<\/th><\/tr><\/thead><tbody><tr><th>\u6708\u984d\u8cbb\u7528<\/th><td>\u9ad8\u3044<\/td><td>\u7121\u6599\uff5e<\/td><\/tr><tr><th>\u8a2d\u5b9a\u306e\u67d4\u8edf\u6027<\/th><td>\u9ad8\u3044\uff08IP\u5909\u308f\u3089\u306a\u3044\uff09<\/td><td>\u9ad8\u3044\uff08\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u81ea\u52d5\u66f4\u65b0\uff09<\/td><\/tr><tr><th>\u5bb6\u5ead\u7528\u56de\u7dda\u3067\u306e\u5229\u7528<\/th><td>\u4e0d\u53ef\u306a\u5834\u5408\u3042\u308a<\/td><td>\u5bfe\u5fdc\u3057\u3084\u3059\u3044<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u7279\u306b\u3001<strong>\u81ea\u5b85\u30b5\u30fc\u30d0\u30fc\u3084WEB\u30ab\u30e1\u30e9\u3092\u4e00\u6642\u7684\u30fb\u500b\u4eba\u7684\u306b\u516c\u958b\u3057\u305f\u3044\u5834\u5408<\/strong>\u306f\u3001DDNS\u3067\u5341\u5206\u5bfe\u5fdc\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">DDNS\u306f\u30b9\u30de\u30db\u304b\u3089\u3082\u5229\u7528\u3067\u304d\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p>\u306f\u3044\u3001<strong>\u30b9\u30de\u30db\u304b\u3089\u3067\u3082DDNS\u306e\u7ba1\u7406\u3084\u66f4\u65b0\u306f\u53ef\u80fd\u3067\u3059<\/strong>\u3002<br>\u305f\u3068\u3048\u3070\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u65b9\u6cd5\u3067DDNS\u3092\u6d3b\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-luxe-blocks-border-block\" style=\"margin-top:10px;margin-bottom:30px\"><div class=\"wp-block-luxe-blocks-border-block-content\" style=\"border:1px solid #006edc;border-radius:0px;padding:0px 15px 0px 15px\">\n<ul>\n<li>\u30b9\u30de\u30db\u306e\u30d6\u30e9\u30a6\u30b6\u304b\u3089Value Domain\u306e\u7ba1\u7406\u753b\u9762\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u624b\u52d5\u66f4\u65b0<\/li>\n\n\n\n<li>Android\u7aef\u672b\u3067\u306f\u300cDynamic DNS\u300d\u5bfe\u5fdc\u30a2\u30d7\u30ea\uff08\u4f8b\uff1aTasker\u9023\u643a\uff09\u3067\u81ea\u52d5\u66f4\u65b0\u3082\u53ef\u80fd<\/li>\n\n\n\n<li>\u30b9\u30de\u30db\u3092\u30c6\u30b6\u30ea\u30f3\u30b0\u3057\u3066\u52d5\u7684IP\u3092\u53d6\u5f97\u3057\u3001\u305d\u306eIP\u3067DDNS\u66f4\u65b0\u3082\u53ef\u80fd<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<p>\u203b\u30b9\u30de\u30db\u305d\u306e\u3082\u306e\u3092\u30b5\u30fc\u30d0\u30fc\u3068\u3057\u3066\u4f7f\u3046\u306b\u306f\u5236\u9650\u304c\u3042\u308a\u307e\u3059\u304c\u3001<strong>\u30b9\u30de\u30db\u3092\u7d4c\u7531\u3057\u305f\u63a5\u7d9a\u3084\u66f4\u65b0\u7ba1\u7406\u306b\u306f\u5341\u5206\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081\uff1aDDNS\u306a\u3089\u3001\u52d5\u7684IP\u3067\u3082\u201c\u5b89\u5b9a\u3057\u305f\u63a5\u7d9a\u201d\u304c\u624b\u306b\u5165\u308b<\/h2>\n\n\n\n<p>\u3044\u304b\u304c\u3067\u3057\u305f\u304b\uff1fDDNS\u3092\u5229\u7528\u3059\u308c\u3070\u3001\u52d5\u7684IP\u74b0\u5883\u3067\u3082WEB\u76e3\u8996\u30ab\u30e1\u30e9\u3084\u81ea\u5b85\u30b5\u30fc\u30d0\u3092\u72ec\u81ea\u30c9\u30e1\u30a4\u30f3\u3067\u516c\u958b\u3067\u304d\u307e\u3059\u3002Value Domain\u306eDDNS\u30b5\u30fc\u30d3\u30b9\u3092\u6d3b\u7528\u3059\u308c\u3070\u3001\u81ea\u5b85\u30b5\u30fc\u30d0\u30fc\u3084WEB\u76e3\u8996\u30ab\u30e1\u30e9\u3092\u72ec\u81ea\u30c9\u30e1\u30a4\u30f3\u3067\u516c\u958b\u3067\u304d\u3001\u30ea\u30e2\u30fc\u30c8\u30a2\u30af\u30bb\u30b9\u3084\u76e3\u8996\u30b7\u30b9\u30c6\u30e0\u306e\u69cb\u7bc9\u304c\u5bb9\u6613\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-luxe-blocks-topic\" style=\"margin-top:10px;margin-bottom:30px\"><div class=\"wp-block-luxe-blocks-topic-title\" style=\"color:#fff;background-color:#006edc;border:1px solid #006edc;padding:2px 14px;align-items:center\"><strong>DDNS\u306e\u4e3b\u306a\u6d3b\u7528\u30b7\u30fc\u30f3<\/strong><\/div><div class=\"wp-block-luxe-blocks-topic-content\" style=\"border:1px solid #006edc;padding:0px 15px 0px 15px\">\n\n<ul>\n\n<li><strong>\u81ea\u5b85\u30b5\u30fc\u30d0\u30fc\u306e\u516c\u958b<\/strong>\uff08\u30d6\u30ed\u30b0\u3001\u30d5\u30a1\u30a4\u30eb\u30b5\u30fc\u30d0\u30fc\u3001\u30b2\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\u306a\u3069\uff09<\/li>\n\n\n<li><strong>WEB<\/strong><strong>\u76e3\u8996\u30ab\u30e1\u30e9\u306e\u9060\u9694\u76e3\u8996<\/strong>\uff08\u5916\u51fa\u5148\u304b\u3089\u306e\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u78ba\u8a8d\uff09<\/li>\n\n\n<li><strong>\u30ea\u30e2\u30fc\u30c8\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u63a5\u7d9a<\/strong>\uff08\u81ea\u5b85PC\u3078\u306e\u5b89\u5168\u306a\u30a2\u30af\u30bb\u30b9\uff09<\/li>\n\n\n<li><strong>IoT<\/strong><strong>\u30c7\u30d0\u30a4\u30b9\u306e\u7ba1\u7406<\/strong>\uff08NAS\u3084\u30db\u30fc\u30e0\u30aa\u30fc\u30c8\u30e1\u30fc\u30b7\u30e7\u30f3\u6a5f\u5668\u3078\u306e\u63a5\u7d9a\uff09<\/li>\n\n<\/ul>\n\n<\/div><\/div>\n\n\n\n<p><strong>DDNS<\/strong><strong>\u306e\u9650\u754c\u3068\u4eca\u5f8c\u306e\u8ab2\u984c<\/strong><\/p>\n\n\n\n<ul>\n<li><strong>CGNAT<\/strong><strong>\u74b0\u5883\u3067\u306f\u5229\u7528\u4e0d\u53ef<\/strong><br>\u30e2\u30d0\u30a4\u30eb\u56de\u7dda\u3084\u4e00\u90e8\u306eISP\u3067\u306f\u3001\u30ad\u30e3\u30ea\u30a2\u30b0\u30ec\u30fc\u30c9NAT\uff08CGNAT\uff09\u304c\u63a1\u7528\u3055\u308c\u3066\u304a\u308a\u3001\u30b0\u30ed\u30fc\u30d0\u30ebIP\u30a2\u30c9\u30ec\u30b9\u304c\u5272\u308a\u5f53\u3066\u3089\u308c\u306a\u3044\u305f\u3081\u3001DDNS\u304c\u4f7f\u3048\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<strong>\u2192 <\/strong><strong>\u89e3\u6c7a\u7b56\uff1a<\/strong><strong>VPN<\/strong><strong>\u3084\u30ea\u30d0\u30fc\u30b9\u30d7\u30ed\u30ad\u30b7\u3001<\/strong><strong>P2P<\/strong><strong>\u63a5\u7d9a\u306a\u3069\u306e\u4ee3\u66ff\u624b\u6bb5\u304c\u5fc5\u8981<\/strong><\/li>\n\n\n\n<li><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u3078\u306e\u5bfe\u7b56<\/strong><br>DDNS\u3067\u516c\u958b\u3057\u305f\u30b5\u30fc\u30d0\u30fc\u3084\u30ab\u30e1\u30e9\u306f\u3001\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u306e\u6a19\u7684\u306b\u306a\u308a\u3084\u3059\u3044\u305f\u3081\u3001<strong>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u8a2d\u5b9a\u3084<\/strong><strong>IP<\/strong><strong>\u5236\u9650\u3001<\/strong><strong>HTTPS<\/strong><strong>\u5316<\/strong>\u306a\u3069\u306e\u5bfe\u7b56\u304c\u5fc5\u9808\u3067\u3059\u3002<\/li>\n\n\n\n<li><strong>\u66f4\u65b0\u9045\u5ef6\u306b\u3088\u308b\u4e00\u6642\u7684\u306a\u63a5\u7d9a\u4e0d\u53ef<\/strong><br>IP\u30a2\u30c9\u30ec\u30b9\u306e\u5909\u66f4\u304b\u3089DNS\u306e\u53cd\u6620\u307e\u3067\u306b\u6570\u5206\uff5e\u6570\u5341\u5206\u306e\u9045\u5ef6\u304c\u767a\u751f\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u3001\u5373\u6642\u6027\u304c\u6c42\u3081\u3089\u308c\u308b\u7528\u9014\u3067\u306f\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p>DDNS\u306f\u3001<strong>\u52d5\u7684IP\u74b0\u5883\u3067\u3082\u5b89\u5b9a\u3057\u305f\u30ea\u30e2\u30fc\u30c8\u30a2\u30af\u30bb\u30b9\u3092\u5b9f\u73fe\u3059\u308b\u5f37\u529b\u306a\u30c4\u30fc\u30eb<\/strong>\u3067\u3059\u304c\u3001\u74b0\u5883\u306b\u3088\u3063\u3066\u306f\u5225\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u304c\u5fc5\u8981\u306b\u306a\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"has-lightyellow-background-color has-background\"><a id=\"vn_cta_lp_vd\" class=\"ga_event_link\" style=\"color: #3366ff;\" href=\"https:\/\/www.value-domain.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u30d0\u30ea\u30e5\u30fc\u30c9\u30e1\u30a4\u30f3<\/a>\u3067\u306f\u3001<strong>\u30c9\u30e1\u30a4\u30f3\u53d6\u5f97\u30fbDNS\u8a2d\u5b9a\u30fbDDNS\u6a5f\u80fd\u307e\u3067\u30ef\u30f3\u30b9\u30c8\u30c3\u30d7\u3067\u63d0\u4f9b<\/strong>\u3057\u3066\u3044\u307e\u3059\u3002<br>\u3057\u304b\u3082\u3001<strong>20\u5e74\u4ee5\u4e0a\u306e\u904b\u7528\u5b9f\u7e3e<\/strong>\u3068<strong>\u7d99\u7d9a\u63d0\u4f9b\u3055\u308c\u3066\u3044\u308bDDNS\u30b5\u30fc\u30d3\u30b9<\/strong>\u306b\u3088\u308a\u3001\u4ed6\u793e\u7121\u6599DDNS\u306e\u3088\u3046\u306a\u7a81\u7136\u306e\u7d42\u4e86\u30ea\u30b9\u30af\u3082\u5c11\u306a\u304f\u3001\u5b89\u5fc3\u3057\u3066\u9577\u671f\u904b\u7528\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30c9\u30e1\u30a4\u30f3\u3092\u307e\u3060\u6301\u3063\u3066\u3044\u306a\u3044\u65b9\u3082\u3001Value Domain\u3067\u53d6\u5f97\u3059\u308c\u3070\u3059\u3050\u306bDDNS\u6a5f\u80fd\u304c\u4f7f\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"domain_form\">\n<p>\u53d6\u5f97\u3057\u305f\u3044\u30c9\u30e1\u30a4\u30f3\u3092\u3054\u5165\u529b\u304f\u3060\u3055\u3044<\/p>\n<form action=\"\/domain\/search\/\" method=\"get\">\n<input type=\"text\" name=\"input_domainname\" placeholder=\"\u767b\u9332\u3057\u305f\u3044\u6587\u5b57\u5217\u3084\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u5165\u529b\" title=\"\u767b\u9332\u3057\u305f\u3044\u6587\u5b57\u5217\u3084\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u5165\u529b\">\n<input type=\"submit\" value=\"\u691c\u7d22\" class=\"ga_event_button\" id=\"vn_cta_searchdom_lp_vd\">\n<\/form>\n<\/div>\n\n\n\n<p>\u6b21\u56de\u306f\u3001<strong>CGNAT\u74b0\u5883\u3067\u3082\u4f7f\u3048\u308b\u4ee3\u66ff\u624b\u6bb5<\/strong>\u3068\u3057\u3066\u3001<strong>\u5916\u90e8\u30b5\u30fc\u30d0\u30fc\u3068\u81ea\u5b85\u30b5\u30fc\u30d0\u30fc\u3092\u30c8\u30f3\u30cd\u30eb\u63a5\u7d9a\u3057WEB\u76e3\u8996\u30ab\u30e1\u30e9\u6620\u50cf\u3092\u516c\u958b\u3059\u308b\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/strong><\/p>\n\n\n\n<div class=\"wp-block-buttons\"><div class=\"wp-block-button has-custom-width wp-block-button__width-100 btn-service vd\">\n<p class=\"txt\">\u767b\u9332\u5b9f\u7e3e700\u4e07\u4ef6\uff01.com790\u5186.co.jp2,000\u5186<\/p>\n<a id=\"vn_cta_btn_lp_vd\" class=\"ga_event_link wp-block-button__link has-white-color\" href=\"https:\/\/www.value-domain.com\/\" style=\"background-color:#005bac\" target=\"_blank\" rel=\"noreferrer noopener\">\u30d0\u30ea\u30e5\u30fc\u30c9\u30e1\u30a4\u30f3\u516c\u5f0f\u30b5\u30a4\u30c8\u3092\u307f\u308b<\/a><\/div><\/div>\n\n\n\n<div style=\"padding: 15px 12px 10px; font-size: 1em; background: papayawhip; width: 100\uff05; height: 100\uff05;\"><span style=\"background-color: papayawhip; color: #333;\"><span style=\"background-color: papayawhip; color: #333;\"><span class=\"font-size\" style=\"font-size: 18px;\"><mark class=\"has-inline-color\" style=\"color: #ff8c00;\"><strong><span style=\"background-color: papayawhip; color: #333;\"><span class=\"has-inline-color\" style=\"color: #ff8c00;\">\u25bd\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u958b\u50ac\u4e2d\uff01<\/span><\/span><\/strong><\/mark><\/span><\/span><\/span><\/div>\n<div style=\"padding: 15px 12px 10px; font-size: 1em; background: papayawhip; width: 100\uff05; height: 100\uff05;\"><span style=\"background-color: papayawhip; color: #333;\"><span style=\"background-color: papayawhip; color: #333;\"><span data-sheets-formula-bar-text-style=\"font-size:13px;color:#000000;font-weight:normal;text-decoration:none;font-family:'Arial';font-style:normal;text-decoration-skip-ink:none;\"><span style=\"color: #333333;\">\u30d0\u30ea\u30e5\u30fc\u30c9\u30e1\u30a4\u30f3\u3067\u306f\u3001<\/span><\/span><\/span><\/span><\/div>\n<div style=\"padding: 15px 12px 10px; font-size: 1em; background: papayawhip; width: 100\uff05; height: 100\uff05;\"><span style=\"background-color: papayawhip; color: #333;\"><span style=\"background-color: papayawhip; color: #333;\"><span data-sheets-formula-bar-text-style=\"font-size:13px;color:#000000;font-weight:normal;text-decoration:none;font-family:'Arial';font-style:normal;text-decoration-skip-ink:none;\"><span style=\"color: #333333;\"><span style=\"font-size: revert; color: initial;\"><strong>\u3010 .com1\u500b\u76ee <span class=\"text-color\" style=\"color: #ff0000;\"><span class=\"font-size\" style=\"font-size: 1.3em;\">790<\/span>\u5186<\/span> <\/strong><span 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