{"id":7514,"date":"2023-06-16T11:55:10","date_gmt":"2023-06-16T02:55:10","guid":{"rendered":"https:\/\/www.lancard.com\/blog\/?p=7514"},"modified":"2025-03-12T11:22:15","modified_gmt":"2025-03-12T02:22:15","slug":"google-domains-dane","status":"publish","type":"post","link":"https:\/\/www.lancard.com\/blog\/2023\/06\/16\/google-domains-dane\/","title":{"rendered":"Google Domains\u3092\u4f7f\u3063\u3066DANE\u3092\u8a2d\u5b9a\u3059\u308b"},"content":{"rendered":"\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<a href=\"https:\/\/www.lancard.com\/blog\/2023\/06\/09\/postfix-mta-sts-resolver-and-tls-rpt\/\">\u524d\u56de<\/a>\u3068<a href=\"https:\/\/www.lancard.com\/blog\/2023\/05\/25\/mta-sts\/\">\u524d\u524d\u56de<\/a>MTA-STS\u3092\u8a2d\u5b9a\u3057\u305f\u306e\u3067\u3001\u4eca\u56de\u306fDANE\u3092\u8a2d\u5b9a\u3057\u3066\u307f\u307e\u3059\u3002\n<\/div>\n<\/div>\n\n\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n\u30c9\u30e1\u30a4\u30f3\u53d6\u5f97\u306fDNS\u30b5\u30fc\u30d0\u3092\u63d0\u4f9b\u3057\u3066\u3044\u3066\u3001\u6700\u521d\u304b\u3089DNSSEC\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308bGoogle Domains\u3092\u4f7f\u3044\u307e\u3059\uff08DNSSEC\u5206\u304b\u3089\u306a\u304f\u3066\u3082\u3001\u4f55\u3082\u3057\u306a\u304f\u3066\u826f\u3044\u306e\u306f\u52a9\u304b\u308a\u307e\u3059\uff09\u3002<br>\u203b\u63d0\u4f9b\u3057\u3066\u3044\u308bDNS\u30b5\u30fc\u30d0\u306b\u3088\u3063\u3066\u306fTLSA\u30ec\u30b3\u30fc\u30c9\u3092\u8a2d\u5b9a\u51fa\u6765\u306a\u304b\u3063\u305f\u308a\u3059\u308b\u306e\u3067\u3001\u4ed6\u3067\u53d6\u5f97\u3059\u308b\u6642\u306f\u4e8b\u524d\u306b\u78ba\u8a8d\u304c\u5fc5\u8981\u3067\u3059\u3002<br>\u203b\u30bf\u30a4\u30e0\u30ea\u30fc\u306a\u4e8b\u306bGoogle Domains\u3084\u3081\u308b\u3063\u3066\u3088\u3001\u306a\u8a71\u304c\u51fa\u3066\u3066\u3001\u79fb\u884c\u5148\u3067\u3082DNSSEC\u304c\u6700\u521d\u304b\u3089\u6709\u52b9\u304b\u306f\u3001\u5206\u304b\u308a\u307e\u305b\u3093\u3002\n<\/div>\n<\/div>\n\n\n\n\n<!--more-->\n\n\n\nTLS\u8a3c\u660e\u66f8\u306f\u3001\u524d\u524d\u56de\u306eLet&#8217;s Encrypt\u3092\u4f7f\u3044\u56de\u3057\u307e\u3059\u3002\u3044\u3064\u3082\u306e\u3088\u3046\u306bexample.com\u3092\u4f7f\u3044\u307e\u3059\u3002\n\n\n\n\n<h2 class=\"wp-block-heading\">TLSA\u30ec\u30b3\u30fc\u30c9\u4f5c\u6210(danetool)<\/h2>\n\n\n\n\nTLSA\u30ec\u30b3\u30fc\u30c9\u306e\u4f5c\u6210\u306b\u306f\u3001openssl\u3092\u4f7f\u3063\u305f\u3084\u308a\u65b9\u304c\u5e7e\u3064\u3082\u898b\u3064\u304b\u308b\u306e\u3067\u3059\u304c\u3001\n\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6b86\u3069\u304copenssl 0.9\u306e\u3084\u308a\u65b9\u3067\u66f8\u3044\u3066\u3042\u3063\u3066\u3001\u9055\u3046\u5024\u3092\u51fa\u529b\u3057\u3066\u3044\u305f\uff08\u3053\u308c\u306f\u5f8c\u3067\u5206\u304b\u3063\u305f\uff09<\/li>\n\n\n\n<li>CertUsage, Selector, MatchingType\u306b\u3088\u3063\u3066\u66f8\u304d\u65b9\u304c\u4f55\u901a\u308a\u3082\u6709\u308a\u3001\u30df\u30b9\u306b\u6c17\u3092\u4f7f\u3046<\/li>\n<\/ul>\n\n\n\n\n\u3068\u3044\u3063\u305f\u70b9\u3067\uff08\u7279\u306b\u4e00\u756a\u76ee\u306e\u7406\u7531\u304c\u6700\u521d\u5206\u304b\u3089\u305a\uff09\u4e00\u65e6\u632b\u6298\u3057\u305f\u306e\u3067\u3059\u304c\u3001\u8272\u3005\u3068\u8abf\u3079\u305f\u7d50\u679c\u305d\u308c\u3092\u542b\u3081\u305f\u9762\u5012\u3092\u898b\u3066\u304f\u308c\u308bdanetool\u304c\u6709\u3063\u305f\u306e\u3067\u305d\u308c\u3067\u89e3\u6c7a\u3057\u307e\u3059\u3002\n\n\n\n\n<pre class=\"wp-block-code\"><code>dnf install gnutls-utils\ndanetool --tlsa-rr --host example.com --load-certificate \/etc\/letsencrypt\/live\/example.com\/cert.pem --starttls-proto=smtp<\/code><\/pre>\n\n\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n_25._tcp.example.com. IN TLSA ( 03 01 01 [hash\u5024]) \u306e\u3088\u3046\u306b\u51fa\u529b\u304c\u3055\u308c\u308b\u306e\u3067TLSA\u30ec\u30b3\u30fc\u30c9\u306b\u306f\u3001<br>03 01 01 [hash\u5024]\u30923 1 1 [hash\u5024]\u306b\u4fee\u6b63\u3057\u3066\u5165\u308c\u307e\u3059\u3002<br>\u307e\u305fstarttls-proto=https\u306b\u3059\u308b\u3068\u3001_25._tcp\u304c_443._tcp\u306b\u3060\u3051\u5909\u308f\u308a\u307e\u3059\u304c\u3001\u4ed6\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u5909\u3048\u306a\u3051\u308c\u3070hash\u5024\u7b49\u306f\u5909\u308f\u3089\u306a\u3044\u306e\u3067\u3001\u78ba\u8a8d\u3092\u3059\u308b\u610f\u5473\u4ee5\u5916\u3067\u306f\u51fa\u529b\u3059\u308b\u5fc5\u8981\u306f\u6709\u308a\u307e\u305b\u3093\u3002\n<\/div>\n<\/div>\n\n\n\n\n\n<h2 class=\"wp-block-heading\">Google Domains<\/h2>\n\n\n\n\n\u53d6\u5f97\u3057\u305f\u30c9\u30e1\u30a4\u30f3\u306b\u3001\u5148\u307b\u3069\u751f\u6210\u3057\u305fTLSA\u30ec\u30b3\u30fc\u30c9\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002DNS\uff1e\u30ab\u30b9\u30bf\u30e0\u30ec\u30b3\u30fc\u30c9\u306e\u7ba1\u7406\u3067\u7de8\u96c6\u753b\u9762\u3092\u51fa\u3057\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002\n\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3 _25._tcp \u3068\u3001\u3064\u3044\u3067\u306bWeb\u7528\u306b_443._tcp\u3082\u8ffd\u52a0\u3059\u308b<\/li>\n\n\n\n<li>TLSA\u3092\u9078\u629e<\/li>\n\n\n\n<li>TTL\u306f\u5931\u6557\u3092\u8003\u616e\u3057\u3066\u77ed\u3081\u306b\u8a2d\u5b9a<\/li>\n\n\n\n<li>\u5148\u307b\u3069\u751f\u6210\u3057\u305fTLSA\u30ec\u30b3\u30fc\u30c9\u5024\u3092\u5165\u529b<\/li>\n<\/ul>\n\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.lancard.com\/blog\/wp-content\/uploads\/2023\/06\/image-1.png\"><img loading=\"lazy\" decoding=\"async\" width=\"602\" height=\"175\" src=\"https:\/\/www.lancard.com\/blog\/wp-content\/uploads\/2023\/06\/image-1-602x175.png\" alt=\"\" class=\"wp-image-7515\" srcset=\"https:\/\/www.lancard.com\/blog\/wp-content\/uploads\/2023\/06\/image-1-602x175.png 602w, https:\/\/www.lancard.com\/blog\/wp-content\/uploads\/2023\/06\/image-1-400x116.png 400w, https:\/\/www.lancard.com\/blog\/wp-content\/uploads\/2023\/06\/image-1-768x223.png 768w, https:\/\/www.lancard.com\/blog\/wp-content\/uploads\/2023\/06\/image-1.png 982w\" sizes=\"auto, (max-width: 602px) 100vw, 602px\" \/><\/a><\/figure>\n\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n\u6700\u5f8c\u306b\u4fdd\u5b58\u3092\u62bc\u3057\u3066\u3001\u30ec\u30b3\u30fc\u30c9\u304c\u8ffd\u52a0\u3055\u308c\u308b\u306e\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<br>\u3064\u3044\u3067\u306b\u4e0b\u306e\u65b9\u3067DNSSEC\u304c\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u308b\u306e\u3092\u78ba\u8a8d\u3057\u3066\u304a\u304d\u307e\u3059\u3002\n<\/div>\n<\/div>\n\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.lancard.com\/blog\/wp-content\/uploads\/2023\/06\/image-2.png\"><img loading=\"lazy\" decoding=\"async\" width=\"602\" height=\"120\" src=\"https:\/\/www.lancard.com\/blog\/wp-content\/uploads\/2023\/06\/image-2-602x120.png\" alt=\"\" class=\"wp-image-7516\" srcset=\"https:\/\/www.lancard.com\/blog\/wp-content\/uploads\/2023\/06\/image-2-602x120.png 602w, https:\/\/www.lancard.com\/blog\/wp-content\/uploads\/2023\/06\/image-2-400x79.png 400w, https:\/\/www.lancard.com\/blog\/wp-content\/uploads\/2023\/06\/image-2-768x153.png 768w, https:\/\/www.lancard.com\/blog\/wp-content\/uploads\/2023\/06\/image-2.png 1022w\" sizes=\"auto, (max-width: 602px) 100vw, 602px\" \/><\/a><\/figure>\n\n\n\n\n<h2 class=\"wp-block-heading\">Postfix<\/h2>\n\n\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n\u30b5\u30fc\u30d0\u5074(smtpd)\u306f\u524d\u3005\u56de\u3084\u3063\u305fLet&#8217;s Encrypt\u3092\u4f7f\u3063\u305fTLS\u306e\u8a2d\u5b9a\u3092\u3057\u3066\u304a\u3051\u3070\u3001\u7279\u306b\u4f55\u3082\u3057\u306a\u304f\u3066\u3082Verify\u306f\u901a\u308a\u307e\u3059\u3002<br>SMTP\u30af\u30e9\u30a4\u30a2\u30f3\u30c8 (smtpd_\u3067\u306a\u304fsmtp_) \u306f\u8a66\u3057\u3066\u3044\u306a\u3044\u306e\u3067\u3001\u8ffd\u52a0\u8a2d\u5b9a\u304c\u5fc5\u8981\u306b\u306a\u308b\u304b\u3082\u77e5\u308c\u307e\u305b\u3093\u3002<br>\n<\/div>\n<\/div>\n\n\n\n\n\n<h2 class=\"wp-block-heading\">\u78ba\u8a8d<\/h2>\n\n\n\n\n\u78ba\u8a8d\u3082danetool\u3067\u51fa\u6765\u307e\u3059\u3002\n\n\n\n\n<pre class=\"wp-block-code\"><code>danetool --check example.com --proto tcp --starttls-proto=smtp --load-certificate \/etc\/letsencrypt\/live\/example.com\/cert.pem\n<\/code><\/pre>\n\n\n\n\nTLSA\u30ec\u30b3\u30fc\u30c9\u304c\u51fa\u529b\u3055\u308c\u3001\u6700\u5f8c\u306bVerification: Certificate matches.\u304c\u51fa\u308c\u3070OK\u3067\u3059\u3002\n\n\n\nWeb\u306b\u3064\u3044\u3066\u3082https\u63a5\u7d9a\u304c\u6b63\u5e38\u306b\u51fa\u6765\u308c\u3070OK\u306b\u306a\u308b\u7b48\u3067\u3059\u3002\n\n\n\n\n<h2 class=\"wp-block-heading\">\u305d\u306e\u4ed6\u8272\u3005<\/h2>\n\n\n\n\n\n<h4 class=\"wp-block-heading\">Let&#8217;s Encrypt<\/h4>\n\n\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n\u77ed\u3044\u9593\u306b\u66f4\u65b0\u3092\u3059\u308bLet&#8217;s Encrypt\u3067\u306f\u3001TLSA\u30ec\u30b3\u30fc\u30c9\u3067\u30013 0 1, 3 0 2\u306e\u3088\u3046\u306bSelector=0(FullCertificate) \u3092\u907f\u3051\u308b\u3088\u3046\u306b\u8a00\u3063\u3066\u3044\u307e\u3059\u3002\n<\/div>\n<\/div>\n\n\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<a href=\"https:\/\/community.letsencrypt.org\/t\/please-avoid-3-0-1-and-3-0-2-dane-tlsa-records-with-le-certificates\/7022\">https:\/\/community.letsencrypt.org\/t\/please-avoid-3-0-1-and-3-0-2-dane-tlsa-records-with-le-certificates\/7022<\/a>\n<\/div>\n<\/div>\n\n\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n\u307e\u305f\u8a3c\u660e\u66f8\u306e\u66f4\u65b0\u3067pubkey\u304c\u5909\u308f\u308a\u3001TLSA\u30ec\u30b3\u30fc\u30c9\u304c\u7121\u52b9\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u306e\u306b\u5bfe\u3057\u3066\/etc\/letsencrypt\/cli.ini\u306b reuse-key = true \u3092\u5165\u308c\u308b\u6848\u304c\u51fa\u3066\u3044\u307e\u3059\u3002\n<\/div>\n<\/div>\n\n\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<a href=\"https:\/\/community.letsencrypt.org\/t\/tlsa-record-changes-with-every-renewal-process-which-breaks-dane\/144145\/4\">https:\/\/community.letsencrypt.org\/t\/tlsa-record-changes-with-every-renewal-process-which-breaks-dane\/144145\/4<\/a>\n<\/div>\n<\/div>\n\n\n\n\n\n\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<h4 class=\"wp-block-heading\">Postfix<\/h4>\n\n\n\nPostfix\u3067\u306f\u3001CertUsage\u306e01\u306f\u4e0d\u53ef\u30012\u306f\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u30013\u3092\u63a8\u5968\u3057\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\nPostfix\u3068Let&#8217;s Encrypt\u306e\u4e8b\u60c5\u3092\u8003\u616e\u3059\u308b\u3068\u3001TLSA\u306b\u306f\u30013 1 1 \u3092\u4f7f\u3046\u306e\u304c\u826f\u3044\u3088\u3046\u3067\u3059\u3002\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n\n\n<h4 class=\"wp-block-heading\">Openssl<\/h4>\n\n\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\nTLSA\u4f5c\u6210\u7528\u306b\u66f8\u3044\u3066\u3042\u308b\u30aa\u30d7\u30b7\u30e7\u30f3\u304copenssl 0.9\u7528\u306b\u306a\u3063\u3066\u3044\u3066\u901a\u3089\u306a\u304b\u3063\u305f\u4ef6\u3067\u3059\u304c\u3001Web\u3067\u5e7e\u3089\u63a2\u3057\u3066\u3082\u5206\u304b\u3089\u305a\u3001postfix\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u306b\u542b\u307e\u308c\u3066\u3044\u305fTLS_README\u306b\u66f8\u3044\u3066\u3042\u3063\u305f\u306e\u3092\u5076\u7136\u898b\u3064\u3051\u3066\u6f38\u304f\u5206\u304b\u308a\u307e\u3057\u305f\u3002\n\n\n\n\u305d\u3093\u306a\u308f\u3051\u3067openssl\u3067TLSA\u304c 3 1 1\u306e\u5834\u5408\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3059\u308c\u3070danetool\u3068\u540c\u3058hash\u5024\u3092\u51fa\u3057\u307e\u3057\u305f\u3002\n<\/div>\n<\/div>\n\n\n\n\n\n<pre class=\"wp-block-code\"><code>openssl x509 -in \/etc\/letsencrypt\/live\/example.com\/cert.pem -pubkey -noout | openssl pkey -pubin -outform der | sha256sum<\/code><\/pre>\n\n\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\nSelector=0\u306e\u5834\u5408\u306f\u307e\u305f\u9055\u3044\u307e\u3059\u306e\u3067\u3001\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002\n<\/div>\n<\/div>\n\n\n\n\n\n<a class=\"synved-social-button synved-social-button-share synved-social-size-24 synved-social-resolution-single synved-social-provider-facebook nolightbox\" data-provider=\"facebook\" target=\"_blank\" rel=\"nofollow\" title=\"Share on Facebook\" href=\"https:\/\/www.facebook.com\/sharer.php?u=https%3A%2F%2Fwww.lancard.com%2Fblog%2Fwp-json%2Fwp%2Fv2%2Fposts%2F7514&#038;t=Google%20Domains%E3%82%92%E4%BD%BF%E3%81%A3%E3%81%A6DANE%E3%82%92%E8%A8%AD%E5%AE%9A%E3%81%99%E3%82%8B&#038;s=100&#038;p&#091;url&#093;=https%3A%2F%2Fwww.lancard.com%2Fblog%2Fwp-json%2Fwp%2Fv2%2Fposts%2F7514&#038;p&#091;images&#093;&#091;0&#093;=https%3A%2F%2Fwww.lancard.com%2Fblog%2Fwp-content%2Fuploads%2F2023%2F06%2Fimage-1.png&#038;p&#091;title&#093;=Google%20Domains%E3%82%92%E4%BD%BF%E3%81%A3%E3%81%A6DANE%E3%82%92%E8%A8%AD%E5%AE%9A%E3%81%99%E3%82%8B\" style=\"font-size: 0px;width:24px;height:24px;margin:0;margin-bottom:5px;margin-right:5px\"><img loading=\"lazy\" decoding=\"async\" alt=\"Facebook\" title=\"Share on Facebook\" class=\"synved-share-image synved-social-image synved-social-image-share\" width=\"24\" height=\"24\" style=\"display: inline;width:24px;height:24px;margin: 0;padding: 0;border: none;box-shadow: none\" src=\"https:\/\/www.lancard.com\/blog\/wp-content\/plugins\/social-media-feather\/synved-social\/image\/social\/regular\/48x48\/facebook.png\" \/><\/a><a class=\"synved-social-button synved-social-button-share synved-social-size-24 synved-social-resolution-single synved-social-provider-twitter nolightbox\" data-provider=\"twitter\" target=\"_blank\" rel=\"nofollow\" title=\"Share on Twitter\" href=\"http:\/\/twitter.com\/share?url=https%3A%2F%2Fwww.lancard.com%2Fblog%2Fwp-json%2Fwp%2Fv2%2Fposts%2F7514&#038;text=Google%20Domains%E3%82%92%E4%BD%BF%E3%81%A3%E3%81%A6DANE%E3%82%92%E8%A8%AD%E5%AE%9A%E3%81%99%E3%82%8B\" style=\"font-size: 0px;width:24px;height:24px;margin:0;margin-bottom:5px;margin-right:5px\"><img loading=\"lazy\" decoding=\"async\" alt=\"twitter\" title=\"Share on Twitter\" class=\"synved-share-image synved-social-image synved-social-image-share\" width=\"24\" height=\"24\" style=\"display: inline;width:24px;height:24px;margin: 0;padding: 0;border: none;box-shadow: none\" src=\"https:\/\/www.lancard.com\/blog\/wp-content\/plugins\/social-media-feather\/synved-social\/image\/social\/regular\/48x48\/twitter.png\" \/><\/a><a class=\"synved-social-button synved-social-button-share synved-social-size-24 synved-social-resolution-single synved-social-provider-linkedin nolightbox\" data-provider=\"linkedin\" target=\"_blank\" rel=\"nofollow\" title=\"Share on Linkedin\" href=\"https:\/\/www.linkedin.com\/shareArticle?mini=true&#038;url=https%3A%2F%2Fwww.lancard.com%2Fblog%2Fwp-json%2Fwp%2Fv2%2Fposts%2F7514&#038;title=Google%20Domains%E3%82%92%E4%BD%BF%E3%81%A3%E3%81%A6DANE%E3%82%92%E8%A8%AD%E5%AE%9A%E3%81%99%E3%82%8B\" style=\"font-size: 0px;width:24px;height:24px;margin:0;margin-bottom:5px;margin-right:5px\"><img loading=\"lazy\" decoding=\"async\" alt=\"linkedin\" title=\"Share on Linkedin\" class=\"synved-share-image synved-social-image synved-social-image-share\" width=\"24\" height=\"24\" style=\"display: inline;width:24px;height:24px;margin: 0;padding: 0;border: none;box-shadow: none\" src=\"https:\/\/www.lancard.com\/blog\/wp-content\/plugins\/social-media-feather\/synved-social\/image\/social\/regular\/48x48\/linkedin.png\" \/><\/a><a class=\"synved-social-button synved-social-button-share synved-social-size-24 synved-social-resolution-single synved-social-provider-tumblr nolightbox\" data-provider=\"tumblr\" target=\"_blank\" rel=\"nofollow\" title=\"Share on tumblr\" href=\"https:\/\/tumblr.com\/share?s=&#038;v=3&#038;t=Google%20Domains%E3%82%92%E4%BD%BF%E3%81%A3%E3%81%A6DANE%E3%82%92%E8%A8%AD%E5%AE%9A%E3%81%99%E3%82%8B&#038;u=https%3A%2F%2Fwww.lancard.com%2Fblog%2Fwp-json%2Fwp%2Fv2%2Fposts%2F7514\" style=\"font-size: 0px;width:24px;height:24px;margin:0;margin-bottom:5px;margin-right:5px\"><img loading=\"lazy\" decoding=\"async\" alt=\"tumblr\" title=\"Share on tumblr\" class=\"synved-share-image synved-social-image synved-social-image-share\" width=\"24\" height=\"24\" style=\"display: inline;width:24px;height:24px;margin: 0;padding: 0;border: none;box-shadow: none\" src=\"https:\/\/www.lancard.com\/blog\/wp-content\/plugins\/social-media-feather\/synved-social\/image\/social\/regular\/48x48\/tumblr.png\" \/><\/a><a class=\"synved-social-button synved-social-button-share synved-social-size-24 synved-social-resolution-single synved-social-provider-mail nolightbox\" data-provider=\"mail\" rel=\"nofollow\" title=\"Share by email\" href=\"mailto:?subject=Google%20Domains%E3%82%92%E4%BD%BF%E3%81%A3%E3%81%A6DANE%E3%82%92%E8%A8%AD%E5%AE%9A%E3%81%99%E3%82%8B&#038;body=%E3%82%B7%E3%82%A7%E3%82%A2%E3%81%99%E3%82%8B%EF%BC%9A:%20https%3A%2F%2Fwww.lancard.com%2Fblog%2Fwp-json%2Fwp%2Fv2%2Fposts%2F7514\" style=\"font-size: 0px;width:24px;height:24px;margin:0;margin-bottom:5px\"><img loading=\"lazy\" decoding=\"async\" alt=\"mail\" title=\"Share by email\" class=\"synved-share-image synved-social-image synved-social-image-share\" width=\"24\" height=\"24\" style=\"display: inline;width:24px;height:24px;margin: 0;padding: 0;border: none;box-shadow: none\" src=\"https:\/\/www.lancard.com\/blog\/wp-content\/plugins\/social-media-feather\/synved-social\/image\/social\/regular\/48x48\/mail.png\" \/><\/a>","protected":false},"excerpt":{"rendered":"<p>\u524d\u56de\u3068\u524d\u524d\u56deMTA-STS\u3092\u8a2d\u5b9a\u3057\u305f\u306e\u3067\u3001\u4eca\u56de\u306fDANE\u3092\u8a2d\u5b9a\u3057\u3066\u307f\u307e\u3059\u3002 \u30c9\u30e1\u30a4\u30f3\u53d6\u5f97\u306fDNS\u30b5\u30fc\u30d0\u3092\u63d0\u4f9b\u3057\u3066\u3044\u3066\u3001\u6700\u521d\u304b\u3089DNSSEC\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308bGoogle Domains\u3092\u4f7f\u3044\u307e\u3059\uff08DNSSEC\u5206\u304b\u3089\u306a\u304f\u3066\u3082 [&hellip;]<\/p>\n","protected":false},"author":17,"featured_media":7515,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-7514","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-1"],"_links":{"self":[{"href":"https:\/\/www.lancard.com\/blog\/wp-json\/wp\/v2\/posts\/7514","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lancard.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lancard.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lancard.com\/blog\/wp-json\/wp\/v2\/users\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lancard.com\/blog\/wp-json\/wp\/v2\/comments?post=7514"}],"version-history":[{"count":46,"href":"https:\/\/www.lancard.com\/blog\/wp-json\/wp\/v2\/posts\/7514\/revisions"}],"predecessor-version":[{"id":8205,"href":"https:\/\/www.lancard.com\/blog\/wp-json\/wp\/v2\/posts\/7514\/revisions\/8205"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lancard.com\/blog\/wp-json\/wp\/v2\/media\/7515"}],"wp:attachment":[{"href":"https:\/\/www.lancard.com\/blog\/wp-json\/wp\/v2\/media?parent=7514"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lancard.com\/blog\/wp-json\/wp\/v2\/categories?post=7514"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lancard.com\/blog\/wp-json\/wp\/v2\/tags?post=7514"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}