{"id":5412,"date":"2024-04-19T11:00:00","date_gmt":"2024-04-19T02:00:00","guid":{"rendered":"https:\/\/media.value-domain.com\/?p=5412"},"modified":"2025-12-15T16:43:59","modified_gmt":"2025-12-15T07:43:59","slug":"dmarc-about","status":"publish","type":"post","link":"https:\/\/media.value-domain.com\/dmarc-about\/","title":{"rendered":"DMARC\u3068\u306f\u4f55\uff1f\u8a2d\u5b9a\u30fb\u78ba\u8a8d\u65b9\u6cd5\u30fb\u30e1\u30ea\u30c3\u30c8\u3092\u308f\u304b\u308a\u3084\u3059\u304f\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\/2024\/04\/thumb_dmarc-about-1024x632.png\" alt=\"DMARC\u3068\u306f\u4f55\uff1f\u8a2d\u5b9a\u30fb\u78ba\u8a8d\u65b9\u6cd5\u30fb\u30e1\u30ea\u30c3\u30c8\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\uff01\" class=\"wp-image-5414\" srcset=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2024\/04\/thumb_dmarc-about-1024x632.png 1024w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2024\/04\/thumb_dmarc-about-300x185.png 300w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2024\/04\/thumb_dmarc-about-768x474.png 768w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2024\/04\/thumb_dmarc-about-530x327.png 530w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2024\/04\/thumb_dmarc-about-565x349.png 565w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2024\/04\/thumb_dmarc-about-710x439.png 710w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2024\/04\/thumb_dmarc-about-725x448.png 725w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2024\/04\/thumb_dmarc-about.png 1360w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>DMARC\uff08Domain-based Message Authentication, Reporting, and Conformance\uff09\u306f\u3001\u30e1\u30fc\u30eb\u306e\u8a8d\u8a3c\u6280\u8853\u306e\u4e00\u3064\u3067\u3042\u308a\u3001\u30b9\u30d1\u30e0\u3084\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u8a50\u6b3a\u306a\u3069\u306e\u4e0d\u6b63\u30e1\u30fc\u30eb\u3092\u9632\u3050\u305f\u3081\u306e\u4ed5\u7d44\u307f\u3067\u3059\u3002<\/strong><\/p>\n\n\n\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001DMARC\u306e\u8a2d\u5b9a\u65b9\u6cd5\u3084\u52b9\u679c\u306b\u3064\u3044\u3066\u5206\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>DMARC\u3092\u5c0e\u5165\u3059\u308b\u3053\u3068\u3067\u3001\u30e1\u30fc\u30eb\u9001\u4fe1\u5143\u306e\u507d\u88c5\u3092\u9632\u304e\u3001\u53d7\u4fe1\u8005\u306b\u5b89\u5168\u306a\u30e1\u30fc\u30eb\u3092\u5c4a\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>2024\u5e742\u6708\u304b\u3089Google\u306e\u9001\u4fe1\u8005\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306e\u5909\u66f4\u306b\u3088\u308a\u65e5\u672c\u56fd\u5185\u3067\u3082DMARC\u306e\u5c0e\u5165\u304c\u9032\u3093\u3067\u3044\u307e\u3059\u3002DMARC\u306e\u8a2d\u5b9a\u306f\u3001\u4f01\u696d\u3084\u7d44\u7e54\u306b\u3068\u3063\u3066\u91cd\u8981\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5f0a\u793e<strong><a id=\"vn_cta_lp_core\" class=\"ga_event_link\" style=\"color: #3366ff;\" href=\"https:\/\/www.coreserver.jp\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u30b3\u30a2\u30b5\u30fc\u30d0\u30fcV\uff12\u30d7\u30e9\u30f3<\/a>\u306a\u3089\u3001\u300cSPF\u300d\u300cDKIM\u300d\u300cDMARC\u300d\u306e\u9001\u4fe1\u8a8d\u8a3c\u6280\u8853\u3092\u7c21\u5358\u306b\u8a2d\u5b9a\u304c\u53ef\u80fd\u3067\u3059\u3002<\/strong><\/p>\n\n\n\n<p>\u305c\u3072\u4fbf\u5229\u3067\u5b89\u5168\u306a\u30b3\u30a2\u30b5\u30fc\u30d0\u30fc\u3092\u3054\u5229\u7528\u304f\u3060\u3055\u3044\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 core\">\n<p class=\"txt\">20\uff05OFF\uff01\u30c9\u30e1\u30a4\u30f3\u7121\u6599\u3067\u6708312\u5186\uff5e<\/p>\n<a id=\"vn_cta_b0tn_lp_core\" class=\"ga_event_link wp-block-button__link has-white-color\" href=\"https:\/\/www.coreserver.jp\/\" style=\"background-color:#de5916\" target=\"_blank\" rel=\"noreferrer noopener\">\u30b3\u30a2\u30b5\u30fc\u30d0\u30fc\u516c\u5f0f\u30b5\u30a4\u30c8\u3092\u307f\u308b<\/a><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">DMARC\u3068\u306f\uff1f<\/h2>\n\n\n\n<p>DMARC\u3068\u306f\u3001Domain-based Message Authentication, Reporting, and Conformance\u306e\u7565\uff08\u8aad\u307f\u65b9\u306f\u30c7\u30a3\u30fc\u30de\u30fc\u30af\uff09\u3067\u3001\u30e1\u30fc\u30eb\u8a8d\u8a3c\u6280\u8853\u306e1\u3064\u3067\u3059\u3002<\/p>\n\n\n\n<p><strong><mark style=\"background-color:#ffff88\" class=\"has-inline-color\">DMARC\u306f\u3001\u9001\u4fe1\u5143\u30c9\u30e1\u30a4\u30f3\u306e\u8a8d\u8a3c\u3092\u884c\u3044\u3001\u4e0d\u6b63\u306a\u9001\u4fe1\u5143\u304b\u3089\u306e\u30e1\u30fc\u30eb\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u3053\u3068\u3067\u3001\u30e1\u30fc\u30eb\u8a50\u6b3a\u3084\u306a\u308a\u3059\u307e\u3057\u3092\u9632\u3050\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u3044\u307e\u3059\u3002<\/mark><\/strong><\/p>\n\n\n\n<p>\u307e\u305f\u3001\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u306e\u8a8d\u8a3c\u306b\u6210\u529f\u3057\u305f\u30e1\u30fc\u30eb\u306f\u3001\u53d7\u4fe1\u30b5\u30fc\u30d0\u30fc\u306b\u3088\u3063\u3066\u6b63\u5f53\u306a\u3082\u306e\u3068\u3057\u3066\u6271\u308f\u308c\u3001\u53d7\u4fe1\u8005\u306e\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306b\u5c4a\u3051\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>DMARC\u306f\u3001\u9001\u4fe1\u5143\u30c9\u30e1\u30a4\u30f3\u306e\u8a8d\u8a3c\u6280\u8853\u3067\u3042\u308b<a href=\"https:\/\/www.value-domain.com\/media\/spf-record\/\" data-type=\"link\" data-id=\"https:\/\/www.value-domain.com\/media\/spf-record\/\">SPF<\/a>\u3068<a href=\"https:\/\/www.value-domain.com\/media\/dkim\/\" data-type=\"link\" data-id=\"https:\/\/www.value-domain.com\/media\/dkim\/\">DKIM<\/a>\u3092\u7d44\u307f\u5408\u308f\u305b\u3001\u30e1\u30fc\u30eb\u306e\u8a8d\u8a3c\u3068\u9001\u4fe1\u5143\u306e\u4fe1\u983c\u6027\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u306a\u308a\u3059\u307e\u3057\u3084\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u306a\u3069\u306e\u30e1\u30fc\u30eb\u8a50\u6b3a\u3092\u9632\u304e\u3001\u30e1\u30fc\u30eb\u306e\u5230\u9054\u7387\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>DMARC\u306f\u3001\u30e1\u30fc\u30eb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3059\u308b\u305f\u3081\u306e\u91cd\u8981\u306a\u53d6\u308a\u7d44\u307f\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DMARC\u306e\u4ed5\u7d44\u307f<\/h2>\n\n\n\n<p>DMARC\u306f\u3001\u30e1\u30fc\u30eb\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u306e\u8a8d\u8a3c\u306b\u95a2\u3059\u308b\u6a19\u6e96\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u8005\u304c\u6b63\u5f53\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3001\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u3084\u30b9\u30d1\u30e0\u306a\u3069\u306e\u4e0d\u6b63\u306a\u30e1\u30fc\u30eb\u3092\u9632\u3050\u305f\u3081\u306e\u6280\u8853\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"473\" src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2024\/05\/dmarc-about-img01-1024x473.png\" alt=\"DMARC\u306e\u4ed5\u7d44\u307f\" class=\"wp-image-5743\" srcset=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2024\/05\/dmarc-about-img01-1024x473.png 1024w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2024\/05\/dmarc-about-img01-300x139.png 300w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2024\/05\/dmarc-about-img01-768x355.png 768w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2024\/05\/dmarc-about-img01-1536x710.png 1536w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2024\/05\/dmarc-about-img01-530x245.png 530w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2024\/05\/dmarc-about-img01-565x261.png 565w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2024\/05\/dmarc-about-img01-710x328.png 710w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2024\/05\/dmarc-about-img01-725x335.png 725w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2024\/05\/dmarc-about-img01.png 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\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\">DMARC\u306e\u4ed5\u7d44\u307f\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306e3\u8981\u7d20<\/div><div class=\"wp-block-luxe-blocks-topic-content\" style=\"border:1px solid #006edc;padding:0px 15px 0px 15px\">\n\n<ol>\n\n<li>\u30e1\u30fc\u30eb\u306e\u8a8d\u8a3c\u30c1\u30a7\u30c3\u30af\uff08SPF\u3068DKIM\uff09<\/li>\n\n\n<li>DMARC\u30dd\u30ea\u30b7\u30fc\u8a2d\u5b9a<\/li>\n\n\n<li>\u30ec\u30dd\u30fc\u30c6\u30a3\u30f3\u30b0\uff08\u7d50\u679c\u306e\u5831\u544a\uff09<\/li>\n\n<\/ol>\n\n<\/div><\/div>\n\n\n\n<p>\u3053\u3053\u304b\u3089\u306fDMARC\u306e\u4ed5\u7d44\u307f\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306e3\u8981\u7d20\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30e1\u30fc\u30eb\u306e\u8a8d\u8a3c\u30c1\u30a7\u30c3\u30af\uff08SPF\u3068DKIM\uff09<\/h3>\n\n\n\n<p>SPF\u3068DKIM\u306f\u3001DMARC\u306b\u304a\u3051\u308b\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><th>SPF\u8a8d\u8a3c<\/th><td>\u9001\u4fe1\u5143\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u304c\u602a\u3057\u3044\u3082\u306e\u3067\u306a\u3044\u3068\u78ba\u8a8d\u3059\u308b\u4ed5\u7d44\u307f<\/td><\/tr><tr><th>DKIM\u8a8d\u8a3c<\/th><td>\u30e1\u30fc\u30eb\u672c\u4f53\u306b\u96fb\u5b50\u7f72\u540d\u3092\u4ed8\u4e0e\u3057\u3066\u9001\u4fe1\u5143\u306e\u8a8d\u8a3c\u3092\u884c\u3046\u4ed5\u7d44\u307f<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\"><br><\/figcaption><\/figure>\n\n\n\n<p>\u25bcSPF\u8a8d\u8a3c\u306e\u4ed5\u7d44\u307f<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"544\" src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2023\/07\/not_receive_mail_03-1024x544.png\" alt=\"SPF\u30ec\u30b3\u30fc\u30c9\u306e\u4ed5\u7d44\u307f\" class=\"wp-image-3768\" srcset=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2023\/07\/not_receive_mail_03-1024x544.png 1024w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2023\/07\/not_receive_mail_03-300x159.png 300w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2023\/07\/not_receive_mail_03-768x408.png 768w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2023\/07\/not_receive_mail_03-530x281.png 530w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2023\/07\/not_receive_mail_03-565x300.png 565w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2023\/07\/not_receive_mail_03-710x377.png 710w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2023\/07\/not_receive_mail_03-725x385.png 725w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2023\/07\/not_receive_mail_03.png 1300w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><a href=\"https:\/\/www.value-domain.com\/media\/spf-record\/#\" data-type=\"link\" data-id=\"https:\/\/www.value-domain.com\/media\/spf-record\/#\" target=\"_blank\" rel=\"noreferrer noopener\">SPF\u30ec\u30b3\u30fc\u30c9\u306e\u4ed5\u7d44\u307f\u3084\u8a2d\u5b9a\u65b9\u6cd5\u3001\u6b63\u3057\u3044\u66f8\u304d\u65b9<\/a>\u306f\u4e0b\u8a18\u3067\u304f\u308f\u3057\u304f\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"blogcard\"><a href=\"https:\/\/www.value-domain.com\/media\/spf-record\/\" target=\"_blank\" rel=\"noopener noreferrer\" data-blogcard=\"1\"><\/a><\/div>\n\n\n\n<p>\u25bcDKIM\u8a8d\u8a3c\u306e\u4ed5\u7d44\u307f<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"473\" src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2023\/02\/not_receive_mail_04-1024x473.png\" alt=\"DKIM\u8a8d\u8a3c\u306e\u4ed5\u7d44\u307f\" class=\"wp-image-3038\" srcset=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2023\/02\/not_receive_mail_04-1024x473.png 1024w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2023\/02\/not_receive_mail_04-300x138.png 300w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2023\/02\/not_receive_mail_04-768x354.png 768w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2023\/02\/not_receive_mail_04-530x245.png 530w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2023\/02\/not_receive_mail_04-565x261.png 565w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2023\/02\/not_receive_mail_04-710x328.png 710w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2023\/02\/not_receive_mail_04-725x335.png 725w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2023\/02\/not_receive_mail_04.png 1300w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><a href=\"https:\/\/www.value-domain.com\/media\/dkim\/\" data-type=\"link\" data-id=\"https:\/\/www.value-domain.com\/media\/dkim\/\" target=\"_blank\" rel=\"noreferrer noopener\">DKIM\u306e\u4ed5\u7d44\u307f\u3084\u8a2d\u5b9a\u65b9\u6cd5<\/a>\u306b\u3064\u3044\u3066\u3088\u308a\u304f\u308f\u3057\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u4e0b\u8a18\u3092\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<div class=\"blogcard\"><a href=\"https:\/\/www.value-domain.com\/media\/dkim\/\" target=\"_blank\" rel=\"noopener noreferrer\" data-blogcard=\"1\"><\/a><\/div>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u6280\u8853\u304cDMARC\u3068\u7d44\u307f\u5408\u308f\u3055\u308b\u3053\u3068\u3067\u3001\u30e1\u30fc\u30eb\u306e\u8a8d\u8a3c\u30d7\u30ed\u30bb\u30b9\u304c\u5f37\u5316\u3055\u308c\u3001\u30e1\u30fc\u30eb\u8a50\u6b3a\u3084\u306a\u308a\u3059\u307e\u3057\u306e\u9632\u6b62\u306b\u52b9\u679c\u7684\u306b\u306a\u308a\u307e\u3059\u3002<br>SPF\u3068DKIM\u306e\u8a2d\u5b9a\u3092\u9069\u5207\u306b\u884c\u3046\u3053\u3068\u3067\u3001DMARC\u306e\u5b9f\u52b9\u6027\u3092\u9ad8\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u4f01\u696d\u3084\u7d44\u7e54\u304cDMARC\u3092\u5c0e\u5165\u3059\u308b\u969b\u306b\u306f\u3001SPF\u3068DKIM\u306e\u5f79\u5272\u3092\u6b63\u3057\u304f\u7406\u89e3\u3057\u3001\u9069\u5207\u306a\u8a2d\u5b9a\u3092\u884c\u3046\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">DMARC\u30dd\u30ea\u30b7\u30fc\u8a2d\u5b9a<\/h3>\n\n\n\n<p>SPF\u3084DKIM\u306e\u691c\u8a3c\u7d50\u679c\u306b\u57fa\u3065\u3044\u3066\u3001\u53d7\u4fe1\u8005\u304c\u4e0d\u6b63\u306a\u30e1\u30fc\u30eb\u3092\u3069\u306e\u3088\u3046\u306b\u51e6\u7406\u3059\u3079\u304d\u304b\u3092\u6307\u793a\u3059\u308bDMARC\u30dd\u30ea\u30b7\u30fc\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002DMARC\u30dd\u30ea\u30b7\u30fc\u306e\u5b9a\u7fa9\u306f\u901a\u5e38\u3001DNS\u30ec\u30b3\u30fc\u30c9\u5185\u306eDMARC\u30a8\u30f3\u30c8\u30ea\u306b\u3088\u3063\u3066\u884c\u308f\u308c\u307e\u3059\u3002\u30dd\u30ea\u30b7\u30fc\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u4f8b\u304c\u3042\u3052\u3089\u308c\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 #000080;border-radius:0px;padding:0px 15px 0px 15px\">\n<ul>\n<li>\u30e1\u30fc\u30eb\u3092\u53d7\u3051\u53d6\u308b\uff08\u4f55\u3082\u3057\u306a\u3044\uff09\u8a18\u8ff0\uff1ap=none<\/li>\n\n\n\n<li>\u554f\u984c\u304c\u3042\u308b\u30e1\u30fc\u30eb\u3092\u30b9\u30d1\u30e0\u306b\u914d\u4fe1\uff08\u9694\u96e2\uff09\u3000\u8a18\u8ff0\uff1ap=quarantine<\/li>\n\n\n\n<li>\u30e1\u30fc\u30eb\u3092\u62d2\u5426\u3059\u308b\uff08\u914d\u4fe1\u3092\u5b8c\u5168\u306b\u30d6\u30ed\u30c3\u30af\u3059\u308b\uff09\u8a18\u8ff0\uff1ap=reject<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<p>\u8a73\u3057\u3044\u8a18\u8ff0\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u306e\u300cDMARC\u306e\u8a2d\u5b9a\u65b9\u6cd5\u300d\u306b\u3066\u5177\u4f53\u4f8b\u3092\u3042\u3052\u3066\u8a18\u8f09\u3057\u3066\u3044\u307e\u3059\u3002<br>\u300cquarantine\u300d\u3084\u300creject\u300d\u306b\u8a2d\u5b9a\u3059\u308b\u3068\u3001\u4e88\u671f\u305b\u305a\u8a8d\u8a3c\u306b\u5931\u6557\u3057\u3066\u3057\u307e\u3063\u305f\u6b63\u5f53\u306a\u30e1\u30fc\u30eb\u307e\u3067\u30d6\u30ed\u30c3\u30af\u3055\u308c\u3066\u3057\u307e\u3044\u3001\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u8a2d\u5b9a\u306e\u969b\u306f\u3001\u304a\u6c17\u3092\u4ed8\u3051\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30ec\u30dd\u30fc\u30c6\u30a3\u30f3\u30b0\uff08\u7d50\u679c\u306e\u5831\u544a\uff09<\/h3>\n\n\n\n<p>DMARC\u30dd\u30ea\u30b7\u30fc\u3067\u306f\u3001\u3069\u306e\u30e1\u30fc\u30eb\u304c\u6b63\u3057\u304f\u9001\u4fe1\u3055\u308c\u3001\u3069\u306e\u30e1\u30fc\u30eb\u304c\u554f\u984c\u3092\u8d77\u3053\u3057\u305f\u304b\u306b\u3064\u3044\u3066\u306e\u5831\u544a\u3092\u53d7\u3051\u53d6\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30ec\u30dd\u30fc\u30c6\u30a3\u30f3\u30b0\u3088\u308a\u3001\u30c9\u30e1\u30a4\u30f3\u306e\u6240\u6709\u8005\u306f\u81ea\u5206\u306e\u30c9\u30e1\u30a4\u30f3\u304c\u3069\u306e\u3088\u3046\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u76e3\u8996\u3057\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3092\u8abf\u6574\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>DMARC\u30ec\u30dd\u30fc\u30c8\u3092\u53d7\u3051\u3068\u308b\u8a2d\u5b9a\u306f\u3001DNS\u306b\u767b\u9332\u3059\u308bDMARC\u30ec\u30b3\u30fc\u30c9\u306b\u4e0b\u8a18\u306e\u3088\u3046\u306b\u8a18\u8f09\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\">DMARC\u30ec\u30dd\u2015\u30c8\u306e\u53d7\u4fe1\u8a2d\u5b9a\u306e\u8a18\u8f09\u4f8b<\/div><div class=\"wp-block-luxe-blocks-topic-content\" style=\"border:1px solid #006edc;padding:0px 15px 0px 15px\">\n\n<p>_dmarc.\u3007\u3007.com\u3000IN TXT\u3000\u201cv=DMARC1; p=none; rua=mailto:\u25b3\u25b3@\u3007\u3007.com; ruf=mailto:\u25b3\u25b3@\u3007\u3007.com,\u25a1\u25a1@\u3007\u3007.com\u201d<\/p>\n\n<\/div><\/div>\n\n\n\n<p>\u300c_dmarc.\u300d\u306e\u300c\u3007\u3007.com\u300d\u306e\u90e8\u5206\u306f\u81ea\u5206\u306e\u30c9\u30e1\u30a4\u30f3\u540d\u3001\u300crua=mailto\u300d\u306e\u300c\u25b3\u25b3@\u3007\u3007.com\u300d\u306b\u306frua\uff08\u96c6\u7d04\u30ec\u30dd\u30fc\u30c8\uff09\u3092\u53d7\u3051\u53d6\u308b\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3001\u300cruf=mailto:\u300d\u306e\u300c\u25b3\u25b3@\u3007\u3007.com\u300d\u306b\u306fruf\uff08\u5931\u6557\u30ec\u30dd\u30fc\u30c8\uff09\u3092\u53d7\u3051\u53d6\u308b\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3092\u8a18\u8f09\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u8907\u6570\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3067DMARC\u30ec\u30dd\u30fc\u30c8\u3092\u53d7\u3051\u3068\u308a\u305f\u3044\u5834\u5408\u306f\u3001\u201d,(\u30ab\u30f3\u30de)\u201d\u3067\u533a\u5207\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DMARC\u306e\u8a2d\u5b9a\u65b9\u6cd5<\/h2>\n\n\n\n<p>DMARC\u306e\u8a2d\u5b9a\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306f\u3001\u307e\u305aDNS\u30ec\u30b3\u30fc\u30c9\u306bDMARC\u30ec\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u3053\u304b\u3089\u306f<a id=\"vn_cta_lp_core\" class=\"ga_event_link\" style=\"color: #3366ff;\" href=\"https:\/\/www.coreserver.jp\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u30b3\u30a2\u30b5\u30fc\u30d0\u30fcV2\u30d7\u30e9\u30f3<\/a>\u3092\u4f8b\u306bDKIM\u3068DMARC\u306e\u5177\u4f53\u7684\u306a\u8a2d\u5b9a\u624b\u9806\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u3053\u304b\u3089\u306f\u3001\u30b3\u30a2\u30b5\u30fc\u30d0\u30fc\u3067\u306eDKIM\u8a8d\u8a3c\u306e\u65b9\u6cd5\u3067\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<ol class=\"list-flow\">\n<li><strong>\u5de6\u30e1\u30cb\u30e5\u30fc\u306e\u300c\u30e1\u30fc\u30eb\u300d\u3092\u30af\u30ea\u30c3\u30af<\/strong><br>\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d1\u30cd\u30eb\u306b\u300c\u30ed\u30b0\u30a4\u30f3\u300d\u5f8c\u3001\u5de6\u30e1\u30cb\u30e5\u30fc\u306b\u3042\u308b\u300c\u30e1\u30fc\u30eb\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<br><\/li>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/12\/dmarc-about-img02.png\" alt=\"\u30b3\u30a2\u30b5\u30fc\u30d0\u30fc\u306e\u30e1\u30fc\u30eb\u30e1\u30cb\u30e5\u30fc\u306e\u753b\u9762\" style=\"object-fit:cover\" \/><\/figure>\n\n\n\n<li><strong>\u300cDKIM\u3092\u6709\u52b9\u300d\u3092\u30af\u30ea\u30c3\u30af<\/strong><br>\u53f3\u4e0a\u306e\u300cDKIM\u3092\u6709\u52b9\u300d\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/12\/dmarc-about-img03.png\" alt=\"\u30b3\u30a2\u30b5\u30fc\u30d0\u30fc\u306eDKIM\u6709\u52b9\u30dc\u30bf\u30f3\u306e\u753b\u9762\" style=\"object-fit:cover\" \/><\/figure>\n\n\n\n<li><strong>DKIM\u8a2d\u5b9a\u5b8c\u4e86<\/strong><br>\u300cSuccess\u300d\u3068\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u305f\u3089DKIM\u8a2d\u5b9a\u306f\u5b8c\u4e86\u3067\u3059\u3002<\/li>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/12\/dmarc-about-img04.png\" alt=\"\u30b3\u30a2\u30b5\u30fc\u30d0\u30fc\u306eDKIM\u8a2d\u5b9a\u5b8c\u4e86\u753b\u9762\" \/><\/figure>\n\n\n\n<li><strong>DKIM\u306e\u8a2d\u5b9a\u5185\u5bb9\u3092\u78ba\u8a8d\u3059\u308b<\/strong><br>1.\u5de6\u30e1\u30cb\u30e5\u30fc\u306b\u3042\u308b\u300cDKIM\u7ba1\u7406\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<br>2.\u5bfe\u8c61\u306e\u300c\u5024\u300d\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u30c6\u30ad\u30b9\u30c8\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/12\/dmarc-about-img05.png\" alt=\"\u30b3\u30a2\u30b5\u30fc\u30d0\u30fc\u306eDKIM\u8a2d\u5b9a\u78ba\u8a8d\u753b\u9762\" \/><\/figure>\n\n\n\n<li><strong>\u300c\u5024\u300d\u306e\u5185\u5bb9\u3092\u30b3\u30d4\u30fc\u3057\u3001\u30c9\u30e1\u30a4\u30f3\u306eDNS\u8a2d\u5b9a\u3092\u5909\u66f4\u3059\u308b<\/strong><br>1.\u8868\u793a\u3055\u308c\u305f\u300c\u5024\u300d\u306e\u8a2d\u5b9a\u5185\u5bb9\u3092\u5168\u3066\u30b3\u30d4\u30fc\u3057\u307e\u3059\u3002<br>\u3000\u203b\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u5185\u5bb9\u3092\u5168\u3066\u30b3\u30d4\u30fc\u3057\u3066\u304f\u3060\u3055\u3044\u3002 <br><figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2025\/12\/dmarc-about-img06.png\" alt=\"\u30b3\u30a2\u30b5\u30fc\u30d0\u30fc\u306eDKIM\u8a2d\u5b9a\u5909\u66f4\u753b\u9762\"><\/figure><br>2.\u30c9\u30e1\u30a4\u30f3\u306eDNS\u8a2d\u5b9a\u753b\u9762\u306b\u3066\u8a2d\u5b9a\u3092\u884c\u3044\u307e\u3059\u3002<br><br>\u3010DNS\u8a2d\u5b9a\u4f8b\u3011<br><br>\u25bc<strong>DKIM\u306e\u307f\u6709\u52b9\u5316\u3055\u305b\u308b\u5834\u5408<\/strong><br><span style=\"background-color: #ffff99\" class=\"background-color\"><strong>txt x._domainkey&nbsp;<span style=\"color: #ff0000\" class=\"text-color\">\"v=DKIM1; k=rsa; p=MIIBI\uff0a\uff0a\uff0a\uff0a\uff0a\uff08\u8d64\u6587\u5b57\u304c\u30b3\u30d4\u30fc\u3057\u305f\u5024\u306e\u90e8\u5206\uff09\uff0a\uff0a\uff0a\uff0a\uff0a\"<\/span><\/strong><\/span><br>\u25bc<strong><strong>DKIM\/DMARC\u4e21\u65b9\u3092<\/strong>\u6709\u52b9\u5316\u3055\u305b\u308b\u5834\u5408<\/strong>&nbsp;<br><strong>txt x._domainkey&nbsp;\"v=DKIM1; k=rsa; p=MIIBI\uff0a\uff0a\uff0a\uff0a\uff0a\uff08\u8d64\u6587\u5b57\u304c\u30b3\u30d4\u30fc\u3057\u305f\u5024\u306e\u90e8\u5206\uff09\uff0a\uff0a\uff0a\uff0a\uff0a\"<\/strong><br><strong>txt _dmarc v=DMARC1; p=none;<\/strong><br>\u203b\u4e0a\u8a18\u306e\u8a18\u8ff0\u306e\u5834\u5408\u306f\u3001DMARC \u8a8d\u8a3c\u304c\u5931\u6557\u3057\u305f\u3053\u3068\u3092\u7406\u7531\u306b\u3001\u30e1\u30fc\u30eb\u3092\u62d2\u5426\u306a\u3069\u305b\u305a\u30e1\u30fc\u30eb\u3092\u53d7\u3051\u53d6\u308b\u8a2d\u5b9a\u3068\u306a\u308a\u307e\u3059\u3002<br><br>\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3&nbsp;sub.example.com&nbsp;\u3067\u8a2d\u5b9a\u3059\u308b\u5834\u5408\u306f\u540d\u524d\u306e\u90e8\u5206\u3092\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5909\u66f4\u304f\u3060\u3055\u3044<br>x._domainkey \u2192&nbsp;x._domainkey.sub<br>_dmarc \u2192&nbsp;_dmarc.sub<br>\u203b\u4e0a\u8a18DMARC\u30ec\u30b3\u30fc\u30c9\u306fDMARC\u9001\u4fe1\u8a8d\u8a3c\u3092PASS\u3059\u308b\u305f\u3081\u306e\u6700\u5c0f\u69cb\u6210\u3067\u3059\u3002\u4efb\u610f\u306e\u5185\u5bb9\u306b\u5909\u66f4\u3044\u305f\u3060\u3051\u307e\u3059\u3002<br><br>\u30d0\u30ea\u30e5\u30fc\u30c9\u30e1\u30a4\u30f3\u3067\u306eDNS\u8a2d\u5b9a\u5909\u66f4\u624b\u9806\u306f<a id=\"vn_cta_lp_vd\" class=\"ga_event_link\" style=\"color: #3366ff;\" href=\"https:\/\/www.value-domain.com\/userguide\/manual\/moddns\" target=\"_blank\" rel=\"noopener noreferrer\">\u3053\u3061\u3089<\/a><br>\u203bDNS\u8a2d\u5b9a\u306e\u5909\u66f4\u304c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306b\u53cd\u6620\u3055\u308c\u308b\u307e\u3067\u30015\uff5e30\u5206\u7a0b\u5ea6\u304b\u304b\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ol>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">DMARC\u306e\u78ba\u8a8d\u65b9\u6cd5<\/h2>\n\n\n\n<p>DMARC\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u304b\u3069\u3046\u306f\u3001\u81ea\u5206\u81ea\u8eab\u3067\u3082\u78ba\u8a8d\u304c\u53ef\u80fd\u3067\u3059\u3002<br>\u78ba\u8a8d\u3057\u3066\u307f\u305f\u3044\u5834\u5408\u3001\u4ee5\u4e0b\u306e\u65b9\u6cd5\u3092\u304a\u8a66\u3057\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Gmail\u3067DMARC\u8a2d\u5b9a\u3092\u78ba\u8a8d\u3059\u308b<\/h3>\n\n\n\n<p>DMARC\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3057\u305f\u3044\u30e1\u30fc\u30eb\u3092\u9078\u629e\u3057\u307e\u3059\u3002<br>\u8a72\u5f53\u306e\u30e1\u30fc\u30eb\u3092\u958b\u304d\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3001\u300c\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u30bd\u30fc\u30b9\u3092\u8868\u793a\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"302\" src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2024\/02\/dkim1-1024x302.png\" alt=\"\" class=\"wp-image-5123\" srcset=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2024\/02\/dkim1-1024x302.png 1024w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2024\/02\/dkim1-300x88.png 300w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2024\/02\/dkim1-768x226.png 768w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2024\/02\/dkim1-530x156.png 530w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2024\/02\/dkim1-565x166.png 565w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2024\/02\/dkim1-710x209.png 710w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2024\/02\/dkim1-725x213.png 725w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2024\/02\/dkim1.png 1440w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3001\u3069\u306e\u3088\u3046\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u65bd\u7b56\u304c\u9069\u7528\u3055\u308c\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"797\" height=\"188\" src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2024\/02\/dkim2.png\" alt=\"\" class=\"wp-image-5128\" srcset=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2024\/02\/dkim2.png 797w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2024\/02\/dkim2-300x71.png 300w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2024\/02\/dkim2-768x181.png 768w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2024\/02\/dkim2-530x125.png 530w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2024\/02\/dkim2-565x133.png 565w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2024\/02\/dkim2-710x167.png 710w, https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2024\/02\/dkim2-725x171.png 725w\" sizes=\"(max-width: 797px) 100vw, 797px\" \/><\/figure>\n\n\n\n<p>\u8a8d\u8a3c\u304c\u6210\u529f\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u300cPASS\u300d\u3001\u8a2d\u5b9a\u306a\u3057\u306e\u5834\u5408\u306f\u8868\u793a\u306a\u3057\u3001\u8a8d\u8a3c\u304c\u5931\u6557\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u300cFAIL\u3001SOFTFAIL\u300d\u3068\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30c1\u30a7\u30c3\u30af\u30c4\u30fc\u30eb\u3067\u78ba\u8a8d\u3059\u308b<\/h3>\n\n\n\n<p>DMARC\u306e\u8a2d\u5b9a\u5185\u5bb9\u306b\u554f\u984c\u304c\u306a\u3044\u304b\u8a55\u4fa1\u3059\u308b\u305f\u3081\u306e\u30aa\u30f3\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u304c\u5b58\u5728\u3057\u307e\u3059\u3002\u8907\u6570\u306e\u30b5\u30fc\u30d3\u30b9\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u4ee3\u8868\u7684\u306a\u3082\u306e\u3092\u3042\u3052\u308b\u3068\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ul>\n<li><a href=\"https:\/\/dmarcian.com\/dmarc-inspector\/\" data-type=\"link\" data-id=\"https:\/\/dmarcian.com\/dkim-inspector\/\" target=\"_blank\" rel=\"noreferrer noopener\">DMARC Record Checker<\/a><\/li>\n\n\n\n<li><a rel=\"noreferrer noopener\" href=\"https:\/\/mxtoolbox.com\/dmarc.aspx\" data-type=\"link\" data-id=\"https:\/\/dkimcore.org\/tools\/\" target=\"_blank\">MxToolbox<\/a><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">DMARC\u306e\u30e1\u30ea\u30c3\u30c8<\/h2>\n\n\n\n<p>DMARC\u3092\u8a2d\u5b9a\u3059\u308b\u30e1\u30ea\u30c3\u30c8\u306f\u3001\u4e0b\u8a18\u304c\u3042\u3052\u3089\u308c\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\">DMARC\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>\u306a\u308a\u3059\u307e\u3057\u3068\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u3092\u9632\u3050<\/li>\n\n\n<li>\u30e1\u30fc\u30eb\u306e\u5230\u9054\u7387\u3092\u5411\u4e0a\u3055\u305b\u308b<\/li>\n\n\n<li>\u4f01\u696d\u306e\u4fe1\u983c\u6027\u5411\u4e0a\u3068\u9867\u5ba2\u30b5\u30fc\u30d3\u30b9\u30b3\u30b9\u30c8\u306e\u524a\u6e1b<\/li>\n\n<\/ul>\n\n<\/div><\/div>\n\n\n\n<p>\u305d\u308c\u305e\u308c\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u306a\u308a\u3059\u307e\u3057\u3068\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u3092\u9632\u3050<\/h3>\n\n\n\n<p>DMARC\u306f\u3001\u9001\u4fe1\u5143\u30c9\u30e1\u30a4\u30f3\u306e\u8a8d\u8a3c\u3084\u507d\u88c5\u30e1\u30fc\u30eb\u306e\u691c\u51fa\u3001\u8a55\u4fa1\u7d50\u679c\u306e\u5831\u544a\u306a\u3069\u3092\u884c\u3046\u3053\u3068\u3067\u3001\u306a\u308a\u3059\u307e\u3057\u3084\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u8a50\u6b3a\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5177\u4f53\u7684\u306b\u306f\u3001SPF\u3068DKIM\u3068\u3044\u3046\u6280\u8853\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u3001\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u8005\u306e\u6b63\u5f53\u6027\u3092\u78ba\u8a8d\u3057\u3001\u53d7\u4fe1\u5074\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306b\u305d\u306e\u60c5\u5831\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<br>\u3053\u308c\u306b\u3088\u308a\u3001\u53d7\u4fe1\u5074\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u507d\u88c5\u3055\u308c\u305f\u30e1\u30fc\u30eb\u3084\u4e0d\u6b63\u306a\u30e1\u30fc\u30eb\u3092\u906e\u65ad\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30e1\u30fc\u30eb\u306e\u5230\u9054\u7387\u3092\u5411\u4e0a\u3055\u305b\u308b<\/h3>\n\n\n\n<p>DMARC\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u9001\u4fe1\u3059\u308b\u30e1\u30fc\u30eb\u304c\u5b9f\u969b\u306b\u81ea\u5206\u306e\u3082\u306e\u3067\u3042\u308b\u3053\u3068\u3092\u53d7\u4fe1\u8005\u306b\u78ba\u4fe1\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u306b\u3088\u308a\u3001\u30e1\u30fc\u30eb\u304c\u53d7\u4fe1\u8005\u306e\u53d7\u4fe1\u30c8\u30ec\u30a4\u306b\u76f4\u63a5\u5c4a\u304d\u3084\u3059\u304f\u306a\u308a\u3001\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a9\u30eb\u30c0\u306b\u632f\u308a\u5206\u3051\u3089\u308c\u308b\u30ea\u30b9\u30af\u304c\u6e1b\u5c11\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4f01\u696d\u306e\u4fe1\u983c\u6027\u5411\u4e0a\u3068\u9867\u5ba2\u30b5\u30fc\u30d3\u30b9\u30b3\u30b9\u30c8\u306e\u524a\u6e1b<\/h3>\n\n\n\n<p>DMARC\u306f\u3001\u96fb\u5b50\u30e1\u30fc\u30eb\u306e\u8a8d\u8a3c\u30d7\u30ed\u30c8\u30b3\u30eb\u306e1\u3064\u3067\u3059\u3002\u3053\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u4f01\u696d\u306e\u30c9\u30e1\u30a4\u30f3\u3092\u60aa\u7528\u3057\u305f\u30e1\u30fc\u30eb\u8a50\u6b3a\u3084\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u8a50\u6b3a\u3092\u9632\u3050\u305f\u3081\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5177\u4f53\u7684\u306b\u306f\u3001\u9001\u4fe1\u5143\u306e\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u3092\u884c\u3044\u3001\u507d\u88c5\u3055\u308c\u305f\u30e1\u30fc\u30eb\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3059\u308b\u3053\u3068\u3067\u3001\u4f01\u696d\u306e\u4fe1\u983c\u6027\u3092\u5411\u4e0a\u3055\u305b\u3001\u9867\u5ba2\u30b5\u30fc\u30d3\u30b9\u30b3\u30b9\u30c8\u3092\u524a\u6e1b\u3059\u308b\u52b9\u679c\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001\u8a8d\u8a3c\u3055\u308c\u305f\u30e1\u30fc\u30eb\u306e\u5230\u9054\u7387\u304c\u5411\u4e0a\u3059\u308b\u305f\u3081\u3001\u9867\u5ba2\u3068\u306e\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u3082\u5186\u6ed1\u306b\u884c\u3048\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u4f01\u696d\u304cDMARC\u3092\u5c0e\u5165\u3059\u308b\u3053\u3068\u3067\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3057\u3001\u4fe1\u983c\u6027\u5411\u4e0a\u3068\u9867\u5ba2\u30b5\u30fc\u30d3\u30b9\u30b3\u30b9\u30c8\u306e\u524a\u6e1b\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DMARC\u306e\u30c7\u30e1\u30ea\u30c3\u30c8<\/h2>\n\n\n\n<p>DMARC\u3092\u8a2d\u5b9a\u3059\u308b\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308b\u4e00\u65b9\u3067\u4e0b\u8a18\u306e\u3088\u3046\u306a\u30c7\u30e1\u30ea\u30c3\u30c8\u3082\u3042\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\">DMARC\u306e\u30c7\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>\u8a2d\u5b9a\u304c\u8907\u96d1<\/li>\n\n\n<li>\u8a2d\u5b9a\u30df\u30b9\u306b\u3088\u308b\u30e1\u30fc\u30eb\u306e\u672a\u9054<\/li>\n\n\n<li>\u7d99\u7d9a\u7684\u306a\u7ba1\u7406\u306e\u8ca0\u62c5<\/li>\n\n<\/ul>\n\n<\/div><\/div>\n\n\n\n<p>\u305d\u308c\u305e\u308c\u306b\u3064\u3044\u3066\u304f\u308f\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8a2d\u5b9a\u304c\u8907\u96d1<\/h3>\n\n\n\n<p>DMARC\u3092\u5c0e\u5165\u3059\u308b\u306b\u306f\u3001\u307e\u305aSPF\uff08Sender Policy Framework\uff09\u3068DKIM\uff08DomainKeys Identified Mail\uff09\u306e\u8a2d\u5b9a\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u306b\u306f\u3001DNS\u30ec\u30b3\u30fc\u30c9\u306e\u7de8\u96c6\u3084\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306e\u8a2d\u5b9a\u5909\u66f4\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u6280\u8853\u7684\u306a\u77e5\u8b58\u304c\u306a\u3044\u3068\u3001\u3069\u306e\u9805\u76ee\u3092\u3069\u306e\u3088\u3046\u306b\u8a2d\u5b9a\u3059\u308c\u3070\u3088\u3044\u304b\u5206\u304b\u3089\u306a\u3044\u3053\u3068\u304c\u591a\u304f\u3001\u521d\u5fc3\u8005\u306b\u3068\u3063\u3066\u306f\u30cf\u30fc\u30c9\u30eb\u304c\u9ad8\u3044\u4f5c\u696d\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><a id=\"vn_cta_lp_core\" class=\"ga_event_link\" style=\"color: #3366ff;\" href=\"https:\/\/www.coreserver.jp\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u30b3\u30a2\u30b5\u30fc\u30d0\u30fcV2\u30d7\u30e9\u30f3<\/a>\u3067\u306f\u3001\u30b9\u30e0\u30fc\u30ba\u306bDKIM\u306e\u8a2d\u5b9a\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046<strong>DKIM\u8a2d\u5b9a\u6a5f\u80fd<\/strong>\u3092\u3054\u7528\u610f\u3057\u3066\u3044\u307e\u3059\u3002\u4e0a\u8a18\u3067\u7d39\u4ecb\u3057\u305fDMARC\u306e\u8a2d\u5b9a\u65b9\u6cd5\u3067<strong><strong>DKIM\/DMARC<\/strong><\/strong>\u306e\u8a2d\u5b9a\u304c\u7c21\u5358\u306b\u884c\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305c\u3072\u4fbf\u5229\u3067\u5b89\u5168\u306a\u30b3\u30a2\u30b5\u30fc\u30d0\u30fc\u3092\u3054\u5229\u7528\u304f\u3060\u3055\u3044\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 core\">\n<p class=\"txt\">20\uff05OFF\uff01\u30c9\u30e1\u30a4\u30f3\u7121\u6599\u3067\u6708312\u5186\uff5e<\/p>\n<a id=\"vn_cta_b0tn_lp_core\" class=\"ga_event_link wp-block-button__link has-white-color\" href=\"https:\/\/www.coreserver.jp\/\" style=\"background-color:#de5916\" target=\"_blank\" rel=\"noreferrer noopener\">\u30b3\u30a2\u30b5\u30fc\u30d0\u30fc\u516c\u5f0f\u30b5\u30a4\u30c8\u3092\u307f\u308b<\/a><\/div><\/div>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8a2d\u5b9a\u30df\u30b9\u306b\u3088\u308b\u30e1\u30fc\u30eb\u306e\u672a\u9054<\/h3>\n\n\n\n<p>DMARC\u3092\u8aa4\u3063\u3066\u8a2d\u5b9a\u3059\u308b\u3068\u3001\u6b63\u5f53\u306a\u30e1\u30fc\u30eb\u304c\u53d7\u4fe1\u8005\u306b\u5c4a\u304b\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4f8b\u3048\u3070\u3001\u8a2d\u5b9a\u304c\u53b3\u3057\u3059\u304e\u308b\u3068\u3001\u91cd\u8981\u306a\u30e1\u30fc\u30eb\u304c\u30b9\u30d1\u30e0\u3068\u5224\u65ad\u3055\u308c\u30d6\u30ed\u30c3\u30af\u3055\u308c\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>DMARC\u306e\u8a18\u8ff0\u3067\u300cquarantine\u300d\u3084\u300creject\u300d\u306b\u8a2d\u5b9a\u3059\u308b\u3068\u3001\u4e88\u671f\u305b\u305a\u8a8d\u8a3c\u306b\u5931\u6557\u3057\u3066\u3057\u307e\u3063\u305f\u6b63\u5f53\u306a\u30e1\u30fc\u30eb\u307e\u3067\u30d6\u30ed\u30c3\u30af\u3055\u308c\u3066\u3057\u307e\u3046\u53ef\u80fd\u6027\u304c\u3042\u308b\u306e\u3067\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306bDMARC\u306e\u8a2d\u5b9a\u9593\u9055\u3044\u306b\u3088\u308a\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u304f\u306a\u308b\u70b9\u3082\u30c7\u30e1\u30ea\u30c3\u30c8\u306e1\u3064\u3068\u3044\u3048\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7d99\u7d9a\u7684\u306a\u7ba1\u7406\u306e\u8ca0\u62c5<\/h3>\n\n\n\n<p>DMARC\u306f\u4e00\u5ea6\u8a2d\u5b9a\u3059\u308c\u3070\u7d42\u308f\u308a\u3067\u306f\u306a\u304f\u3001\u5b9a\u671f\u7684\u306a\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30ec\u30dd\u30fc\u30c8\u3092\u78ba\u8a8d\u3057\u3066\u7570\u5e38\u304c\u306a\u3044\u304b\u3092\u76e3\u8996\u3057\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u8a2d\u5b9a\u3092\u8abf\u6574\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u521d\u5fc3\u8005\u306b\u306f\u3053\u306e\u7d99\u7d9a\u7684\u306a\u7ba1\u7406\u304c\u8ca0\u62c5\u306b\u611f\u3058\u3089\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081\uff1aDMARC\u3067\u30e1\u30fc\u30eb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3057\u307e\u3057\u3087\u3046<\/h2>\n\n\n\n<p><strong>DMARC\u306f\u3001\u30e1\u30fc\u30eb\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u306e\u8a8d\u8a3c\u3092\u5f37\u5316\u3057\u3001\u30e1\u30fc\u30eb\u8a50\u6b3a\u3084<a href=\"https:\/\/www.value-domain.com\/media\/mail-spoofing\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb<\/a>\u3092\u9632\u3050\u305f\u3081\u306e\u6280\u8853\u3067\u3059\u3002<\/strong><br>SPF\u3068DKIM\u306e\u6a5f\u80fd\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u3001\u30e1\u30fc\u30eb\u9001\u4fe1\u5143\u306e\u6b63\u5f53\u6027\u3092\u78ba\u8a8d\u3057\u3001\u53d7\u4fe1\u5074\u30b5\u30fc\u30d0\u30fc\u306b\u305d\u306e\u60c5\u5831\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<br>\u3053\u308c\u306b\u3088\u308a\u3001\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u5143\u3092\u507d\u88c5\u3057\u305f\u653b\u6483\u3084\u8a50\u6b3a\u3092\u9632\u304e\u3001\u53d7\u4fe1\u5074\u3067\u306e\u30e1\u30fc\u30eb\u306e\u4fe1\u983c\u6027\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/p>\n\n\n\n<p>Google\u3084Yahoo\u306a\u3069\u306e\u4e3b\u8981\u306a\u30e1\u30fc\u30eb\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306f\u3001DMARC\u306e\u5c0e\u5165\u3092\u63a8\u5968\u3057\u3066\u304a\u308a\u3001\u9001\u4fe1\u5143\u30c9\u30e1\u30a4\u30f3\u306e\u8a8d\u8a3c\u3092\u884c\u3046\u3053\u3068\u3067\u3001\u30e1\u30fc\u30eb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3059\u308b\u3053\u3068\u304c\u6c42\u3081\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u30e1\u30fc\u30eb\u3092\u78ba\u5b9f\u306b\u5c4a\u3051\u308b\u305f\u3081\u306b\u3082SPF\u30fbDKIM\u30fbDMARC\u306b\u5bfe\u5fdc\u3057\u305f\u30ec\u30f3\u30bf\u30eb\u30b5\u30fc\u30d0\u30fc\u3078\u306e\u4e57\u308a\u63db\u3048\u3092\u691c\u8a0e\u3057\u307e\u3057\u3087\u3046\u3002<\/strong><\/p>\n\n\n\n<p><a id=\"vn_cta_lp_core\" class=\"ga_event_link\" style=\"{style}\" href=\"https:\/\/www.coreserver.jp\/\">\u30b3\u30a2\u30b5\u30fc\u30d0\u30fc<\/a>\u3001<a id=\"vn_cta_lp_vs\" class=\"ga_event_link\" style=\"{style}\" href=\"https:\/\/www.value-server.com\/\">\u30d0\u30ea\u30e5\u30fc\u30b5\u30fc\u30d0\u30fc<\/a>\u3001<a id=\"vn_cta_lp_xrea\" class=\"ga_event_link\" style=\"{style}\" href=\"https:\/\/www.xrea.com\/\">XREA<\/a>\u306e\u5168\u30d7\u30e9\u30f3\u3067\u300cSPF\u300d\u300cDKIM\u300d\u300cDMARC\u300d\u306e\u9001\u4fe1\u8a8d\u8a3c\u6280\u8853\u304c\u3054\u5229\u7528\u3044\u305f\u3060\u3051\u307e\u3059\u3002\u305c\u3072\u30b3\u30a2\u30b5\u30fc\u30d0\u30fc\u306f\u3058\u3081<a id=\"vn_cta_lp_vd\" class=\"ga_event_link\" style=\"color: #3366ff;\" href=\"https:\/\/www.value-domain.com\/rental-server\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u30d0\u30ea\u30e5\u30fc\u30c9\u30e1\u30a4\u30f3<\/a>\u306e\u30ec\u30f3\u30bf\u30eb\u30b5\u30fc\u30d0\u30fc\u3092\u3054\u691c\u8a0e\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p><div style=\"padding: 15px 12px 10px; font-size: 1em; background: #ffffe0; width: 100\uff05; height: 100\uff05;\"><span style=\"background-color: #ffffe0; color: #333;\"><span class=\"font-size\" style=\"font-size: 18px;\"><span class=\"has-inline-color\" style=\"color: #ff8c00;\"><strong>\u25bd\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u958b\u50ac\u4e2d\uff01<\/strong><\/span><\/span><\/span><\/div>\n<div style=\"padding: 15px 12px 10px; font-size: 1em; background: #ffffe0; width: 100\uff05; height: 100\uff05;\"><span style=\"background-color: #ffffe0; color: #333;\"><span data-sheets-formula-bar-text-style=\"color:#000000;font-weight:normal;text-decoration:none;font-family:'Arial';font-style:normal;text-decoration-skip-ink:none;\">\u30b3\u30a2\u30b5\u30fc\u30d0\u30fc\u3067\u306f\u3001V2\u30d7\u30e9\u30f3\uff08CORE-X,Y,Z\uff09\u3068\u30c9\u30e1\u30a4\u30f3\u306e\u540c\u6642\u7533\u3057\u8fbc\u307f\u3067<br \/><span style=\"color: #333333;\">\u30c9\u30e1\u30a4\u30f3\u304c<\/span><span class=\"text-color\" style=\"color: #ff0000;\"><strong>\u5b9f\u8cea<span style=\"font-size: 1.3em;\">0<\/span>\u5186\uff08\u5e74\u9593\u6700\u5927<span style=\"font-size: 1.3em;\">3,889<\/span>\u5186\u304a\u5f97\uff09<\/strong><\/span>\u306b\u306a\u308b<strong>\u30b5\u30fc\u30d0\u30fc\u30bb\u30c3\u30c8\u5272\u7279\u5178<\/strong><\/span><\/span><span style=\"background-color: #ffffe0; color: #333;\"><span data-sheets-formula-bar-text-style=\"color:#000000;font-weight:normal;text-decoration:none;font-family:'Arial';font-style:normal;text-decoration-skip-ink:none;\"><span style=\"color: #333333;\">\u3092\u5c55\u958b\u4e2d\u3067\u3059\u3002<br \/><\/span><\/span><\/span><\/div>\n<div style=\"padding: 15px 12px 10px; font-size: 1em; background: #ffffe0; width: 100\uff05; height: 100\uff05;\"><span style=\"background-color: #ffffe0; color: #333;\"><span data-sheets-formula-bar-text-style=\"color:#000000;font-weight:normal;text-decoration:none;font-family:'Arial';font-style:normal;text-decoration-skip-ink:none;\">\u662f\u975e\u3001\u304a\u5f97\u306a\u3053\u306e\u6a5f\u4f1a\u306b\u3054\u5229\u7528\u304f\u3060\u3055\u3044\uff01<br \/><span style=\"color: #333333;\">\u6700\u65b0\u306e\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u306f<\/span><\/span><span style=\"font-size: 1.3em;\"><a style=\"color: ff0000;\" href=\"https:\/\/www.value-domain.com\/media\/2022campaign-all\/\" target=\"_blank\" rel=\"noopener\"><strong>\u3053\u3061\u3089<\/strong><\/a><\/span>\u304b\u3089<br \/><\/span><\/div>\n<p><!-- wp:paragraph --><\/p>\n<p><a href=\"https:\/\/www.coreserver.jp\/\" target=\"_blank\" class=\"bnr_inner_area ga_event_banner\" id=\"vn_cta_lp_core\"><img src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2024\/06\/core_bnr2.png\" alt=\"\u8d85\u9ad8\u901f\u5316\u3092\u5b9f\u73fe\u3059\u308b\u30ec\u30f3\u30bf\u30eb\u30b5\u30fc\u30d0\u30fc CORESERVER\" width=\"{width}\" height=\"{height}\"><\/a><\/p>\n<p><!-- \/wp:paragraph --><\/p><br><div class=\"wp-block-luxe-blocks-profile\">\n<div class=\"luxe-pf-cont\">\n<div class=\"luxe-pf-wrap\">\n<div class=\"luxe-pf-title-wrap\"><span class=\"luxe-pf-icon\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"16\" height=\"16\" viewBox=\"0 2 24 28\"><path d=\"M5.672 24l1.422-1.422-3.672-3.672-1.422 1.422v1.672h2v2h1.672zM13.844 9.5c0-0.203-0.141-0.344-0.344-0.344-0.094 0-0.187 0.031-0.266 0.109l-8.469 8.469c-0.078 0.078-0.109 0.172-0.109 0.266 0 0.203 0.141 0.344 0.344 0.344 0.094 0 0.187-0.031 0.266-0.109l8.469-8.469c0.078-0.078 0.109-0.172 0.109-0.266zM13 6.5l6.5 6.5-13 13h-6.5v-6.5zM23.672 8c0 0.531-0.219 1.047-0.578 1.406l-2.594 2.594-6.5-6.5 2.594-2.578c0.359-0.375 0.875-0.594 1.406-0.594s1.047 0.219 1.422 0.594l3.672 3.656c0.359 0.375 0.578 0.891 0.578 1.422z\" fill=\"#ffffff\"><\/path><\/svg><\/span><span class=\"luxe-pf-title\">\u3053\u306e\u8a18\u4e8b\u3092\u76e3\u4fee\u3057\u305f\u4eba<\/span><\/div><div class=\"luxe-pf-main\"><figure><img src=\"https:\/\/media.value-domain.com\/wp-content\/uploads\/sites\/2\/2022\/05\/sagawa.jpg\" alt=\"\u5de6\u5ddd\u5584\u7ae0\"\/><figcaption>\u5de6\u5ddd \u5584\u7ae0<\/figcaption><\/figure>\n<div class=\"luxe-pf-text-wrap\"><p class=\"luxe-pf-text\"><span class=\"font-size\">GMO\u30c7\u30b8\u30ed\u30c3\u30af \u30a4\u30f3\u30d5\u30e9\u30a8\u30f3\u30b8\u30cb\u30a2<br>\u30dc\u30b1\u3082\u30c4\u30c3\u30b3\u30df\u3082\u4e0b\u624b\u306a\u95a2\u897f\u4eba\u3002Windows98\u3067\u52d5\u4f5c\u3059\u308bWeb\u30b5\u30fc\u30d0\u30fc\u3092\u4f7f\u7528\u3057\u305f\u81ea\u5b85\u30b5\u30fc\u30d0\u30fc\u69cb\u7bc9\u304b\u3089\u521d\u3081\u3066\u3001\u7d06\u4f59\u66f2\u6298\u3092\u7d4c\u3066\u4eca\u306b\u81f3\u308b\u3002<br>\u25bd\u767b\u58c7\u5b9f\u7e3e<br><a href=\"https:\/\/ct-study.connpass.com\/event\/55305\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/ct-study.connpass.com\/event\/55305\/<\/a><br><a href=\"https:\/\/gmohoscon.connpass.com\/event\/102401\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/gmohoscon.connpass.com\/event\/102401\/<\/a><\/span><\/p>\n<\/div>\n<\/div><\/div><div style=\"clear:both\"><\/div><\/div><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"<p>DMARC\uff08Domain-based Message Authentication, Reporting, and 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[&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":5414,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/media.value-domain.com\/wp-json\/wp\/v2\/posts\/5412"}],"collection":[{"href":"https:\/\/media.value-domain.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/media.value-domain.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/media.value-domain.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/media.value-domain.com\/wp-json\/wp\/v2\/comments?post=5412"}],"version-history":[{"count":19,"href":"https:\/\/media.value-domain.com\/wp-json\/wp\/v2\/posts\/5412\/revisions"}],"predecessor-version":[{"id":12472,"href":"https:\/\/media.value-domain.com\/wp-json\/wp\/v2\/posts\/5412\/revisions\/12472"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/media.value-domain.com\/wp-json\/wp\/v2\/media\/5414"}],"wp:attachment":[{"href":"https:\/\/media.value-domain.com\/wp-json\/wp\/v2\/media?parent=5412"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/media.value-domain.com\/wp-json\/wp\/v2\/categories?post=5412"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/media.value-domain.com\/wp-json\/wp\/v2\/tags?post=5412"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}