{"id":11638,"date":"2025-11-17T15:30:46","date_gmt":"2025-11-17T06:30:46","guid":{"rendered":"https:\/\/rakkoserver.com\/plus\/?p=11638"},"modified":"2026-01-30T11:31:17","modified_gmt":"2026-01-30T02:31:17","slug":"tool-caa-record-check","status":"publish","type":"post","link":"https:\/\/rakkoserver.com\/plus\/tool-caa-record-check\/","title":{"rendered":"CAA\u30ec\u30b3\u30fc\u30c9\u78ba\u8a8d\u30c4\u30fc\u30eb"},"content":{"rendered":"\n<div id=\"caa-record-tool\">\n  <style>\n    #caa-record-tool {\n      border: none;\n      padding: 0;\n      margin: 0;\n      font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;\n      color: #111;\n    }\n\n    #caa-record-tool * {\n      box-sizing: border-box;\n    }\n\n    #caa-record-tool .caa-container-inner {\n      max-width: 700px;\n    }\n\n    #caa-record-tool p.caa-title {\n      font-size: 20px;\n      font-weight: 600;\n      margin: 0 0 12px 0;\n    }\n\n    #caa-record-tool p.caa-description {\n      font-size: 13px;\n      color: #555;\n      margin: 0 0 16px 0;\n      line-height: 1.5;\n    }\n\n    #caa-record-tool .caa-form-row {\n      display: flex;\n      flex-direction: column;\n      margin-bottom: 12px;\n    }\n\n    #caa-record-tool .caa-label {\n      font-size: 13px;\n      margin-bottom: 4px;\n    }\n\n    #caa-record-tool .caa-label span.caa-required {\n      color: #c00;\n      font-size: 11px;\n      margin-left: 4px;\n    }\n\n    #caa-record-tool input[type=\"text\"] {\n      width: 100%;\n      font-size: 14px;\n      padding: 8px 10px;\n      border-radius: 4px;\n      border: 1px solid #ccc;\n      outline: none;\n    }\n\n    #caa-record-tool input[type=\"text\"]:focus {\n      border-color: #007cba;\n      box-shadow: 0 0 0 1px #007cba1a;\n    }\n\n    #caa-record-tool .caa-input-hint {\n      font-size: 11px;\n      color: #777;\n      margin-top: 3px;\n    }\n\n    #caa-record-tool .caa-actions {\n      margin-top: 8px;\n      display: flex;\n      align-items: center;\n      gap: 8px;\n    }\n\n    #caa-record-tool button.caa-submit {\n      appearance: none;\n      border: none;\n      cursor: pointer;\n      font-size: 14px;\n      font-weight: 500;\n      padding: 8px 18px;\n      border-radius: 4px;\n      background-color: #007cba;\n      color: #fff;\n      white-space: nowrap;\n    }\n\n    #caa-record-tool button.caa-submit:disabled {\n      opacity: 0.6;\n      cursor: default;\n    }\n\n    #caa-record-tool .caa-loading {\n      font-size: 13px;\n      color: #555;\n    }\n\n    #caa-record-tool .caa-message {\n      margin-top: 10px;\n      font-size: 13px;\n      line-height: 1.6;\n    }\n\n    #caa-record-tool .caa-message-error {\n      color: #b00020;\n    }\n\n    #caa-record-tool .caa-message-success {\n      color: #111;\n    }\n\n    #caa-record-tool .caa-result {\n      margin-top: 16px;\n      border-radius: 6px;\n      background-color: #fafafa;\n      padding: 12px 12px 10px 12px;\n    }\n\n    #caa-record-tool .caa-result-header {\n      margin-bottom: 8px;\n    }\n\n    #caa-record-tool .caa-result-summary {\n      font-size: 15px;\n      font-weight: 600;\n      margin: 0 0 6px 0;\n    }\n\n    #caa-record-tool .caa-result-meta {\n      font-size: 12px;\n      color: #555;\n      margin: 0 0 4px 0;\n    }\n\n    #caa-record-tool .caa-result-count {\n      font-size: 13px;\n      font-weight: 500;\n      margin: 4px 0 8px 0;\n    }\n\n    #caa-record-tool .caa-section-title {\n      font-size: 13px;\n      font-weight: 600;\n      margin: 10px 0 4px 0;\n    }\n\n    #caa-record-tool .caa-tag-group {\n      margin-bottom: 6px;\n    }\n\n    #caa-record-tool .caa-tag-label {\n      font-size: 12px;\n      font-weight: 600;\n      margin-bottom: 2px;\n    }\n\n    #caa-record-tool .caa-tag-label span {\n      font-weight: 400;\n      color: #666;\n      margin-left: 4px;\n    }\n\n    #caa-record-tool .caa-list {\n      margin: 0;\n      padding-left: 16px;\n      font-size: 12px;\n    }\n\n    #caa-record-tool .caa-list li {\n      margin-bottom: 2px;\n    }\n\n    #caa-record-tool .caa-muted {\n      color: #666;\n      font-size: 12px;\n    }\n\n    \/* CTA\u30e9\u30c3\u30d1\u30fc *\/\n    #caa-record-tool .caa-cta-wrapper {\n      display: none !important;\n      margin-left: 8px !important;\n      vertical-align: middle !important;\n    }\n\n    #caa-record-tool .caa-cta-wrapper.caa-cta-wrapper--show {\n      display: inline-block !important;\n    }\n\n    \/* CTA\u30e9\u30d9\u30eb(\u30aa\u30ec\u30f3\u30b8\u30fb\u30dc\u30bf\u30f3\u5185\u306e\u5de6\u5074) *\/\n    #caa-record-tool .caa-cta-label {\n      display: inline-block !important;\n      padding: 1px 4px !important;\n      background: #ff6b35 !important;\n      color: #fff !important;\n      font-size: 9px !important;\n      font-weight: 600 !important;\n      border-radius: 2px !important;\n      white-space: nowrap !important;\n      margin-right: 6px !important;\n      vertical-align: middle !important;\n    }\n\n    \/* CTA\u30dc\u30bf\u30f3(\u5c0f\u3055\u3081\u30fb\u30a4\u30f3\u30e9\u30a4\u30f3\u30fb\u9ed2) *\/\n    #caa-record-tool .caa-cta-btn {\n      display: inline-block !important;\n      padding: 4px 10px !important;\n      background: #333 !important;\n      color: #fff !important;\n      font-size: 11px !important;\n      font-weight: 500 !important;\n      text-decoration: none !important;\n      border-radius: 3px !important;\n      white-space: nowrap !important;\n      transition: all 0.2s ease !important;\n    }\n\n    #caa-record-tool .caa-cta-btn:hover {\n      background: #555 !important;\n    }\n\n    #caa-record-tool .caa-cta-domain {\n      font-weight: 700 !important;\n    }\n\n    @media (max-width: 480px) {\n      #caa-record-tool .caa-container-inner {\n        max-width: 100%;\n      }\n\n      #caa-record-tool button.caa-submit {\n        width: 100%;\n        text-align: center;\n        justify-content: center;\n      }\n\n      #caa-record-tool .caa-actions {\n        flex-direction: column;\n        align-items: flex-start;\n      }\n\n      #caa-record-tool .caa-cta-wrapper {\n        display: block !important;\n        margin-left: 0 !important;\n        margin-top: 6px !important;\n      }\n\n      #caa-record-tool .caa-cta-wrapper.caa-cta-wrapper--show {\n        display: block !important;\n      }\n\n      #caa-record-tool .caa-cta-btn {\n        white-space: normal !important;\n        max-width: 100% !important;\n        word-break: break-word !important;\n        display: inline-block !important;\n      }\n\n      #caa-record-tool .caa-cta-label {\n        display: inline-block !important;\n      }\n    }\n  <\/style>\n\n  <div class=\"caa-container-inner\">\n    <p class=\"caa-description\">\n      \u30c9\u30e1\u30a4\u30f3\u540d\u3068DNS\u30b5\u30fc\u30d0\u30fc\u3092\u6307\u5b9a\u3057\u3066\u3001CAA\u30ec\u30b3\u30fc\u30c9(\u8a3c\u660e\u66f8\u767a\u884c\u6a29\u9650)\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<br>\n      \u898b\u3064\u304b\u3063\u305fCAA\u30ec\u30b3\u30fc\u30c9\u3092\u30bf\u30b0\u3054\u3068(issue \/ issuewild \/ iodef \/ \u305d\u306e\u4ed6)\u306b\u5206\u985e\u3057\u3066\u8868\u793a\u3057\u307e\u3059\u3002\n    <\/p>\n\n    <form id=\"caa-record-form\" autocomplete=\"off\">\n      <div class=\"caa-form-row\">\n        <label class=\"caa-label\" for=\"caa-domain\">\n          \u30c9\u30e1\u30a4\u30f3\u540d\n          <span class=\"caa-required\">\u5fc5\u9808<\/span>\n        <\/label>\n        <input id=\"caa-domain\" type=\"text\" inputmode=\"url\" placeholder=\"\u4f8b)example.com\" required>\n        <p class=\"caa-input-hint\">\n          \u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u3082\u6307\u5b9a\u53ef\u80fd\u3067\u3059(\u4f8b:www.example.com)\u3002\u30d7\u30ed\u30c8\u30b3\u30eb(https:\/\/ \u7b49)\u306f\u4e0d\u8981\u3067\u3059\u3002\n        <\/p>\n      <\/div>\n\n      <div class=\"caa-form-row\">\n        <label class=\"caa-label\" for=\"caa-dns-server\">\n          DNS\u30b5\u30fc\u30d0\u30fc\n        <\/label>\n        <input id=\"caa-dns-server\" type=\"text\" inputmode=\"numeric\" placeholder=\"8.8.8.8\" value=\"8.8.8.8\">\n        <p class=\"caa-input-hint\">\n          IPv4\u30a2\u30c9\u30ec\u30b9\u5f62\u5f0f\u3067\u6307\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044(\u4f8b:8.8.8.8 \/ 1.1.1.1)\u3002\u672a\u5165\u529b\u306e\u5834\u5408\u306f\u300c8.8.8.8\u300d\u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\n        <\/p>\n      <\/div>\n\n      <div class=\"caa-actions\">\n        <button type=\"submit\" class=\"caa-submit\" id=\"caa-submit-btn\">\n          \u78ba\u8a8d\u3059\u308b\n        <\/button>\n        <p class=\"caa-loading\" id=\"caa-loading\" style=\"display:none;\">\n          \u691c\u7d22\u4e2d\u3067\u3059\u2026\n        <\/p>\n      <\/div>\n\n      <p class=\"caa-message\" id=\"caa-message\" aria-live=\"polite\"><\/p>\n    <\/form>\n\n    <div class=\"caa-result\" id=\"caa-result\" style=\"display:none;\" aria-live=\"polite\">\n      <div class=\"caa-result-header\">\n        <p class=\"caa-result-summary\" id=\"caa-result-summary\"><\/p>\n        <p class=\"caa-result-meta\" id=\"caa-result-domain\">\n          \u30c9\u30e1\u30a4\u30f3\u540d: <span id=\"caa-result-domain-text\"><\/span>\n          <span class=\"caa-cta-wrapper\" id=\"caa-cta-wrapper\">\n            <a class=\"caa-cta-btn\" id=\"caa-cta-link\" href=\"#\" target=\"_blank\" rel=\"noopener\">\n              <span class=\"caa-cta-label\">\u304a\u3059\u3059\u3081<\/span>\n              <span class=\"caa-cta-domain\" id=\"caa-cta-domain\"><\/span>\u306e\u691c\u7d22\u6d41\u5165\u6570 \/ SEO\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u8abf\u3079\u308b\n            <\/a>\n          <\/span>\n        <\/p>\n        <p class=\"caa-result-meta\" id=\"caa-result-dns\"><\/p>\n        <p class=\"caa-result-count\" id=\"caa-result-count\"><\/p>\n      <\/div>\n\n      <p class=\"caa-section-title\">\u30bf\u30b0\u5225\u306eCAA\u30ec\u30b3\u30fc\u30c9<\/p>\n\n      <div class=\"caa-tag-group\">\n        <p class=\"caa-tag-label\">issue<span id=\"caa-issue-count\"><\/span><\/p>\n        <ul class=\"caa-list\" id=\"caa-issue-list\"><\/ul>\n      <\/div>\n\n      <div class=\"caa-tag-group\">\n        <p class=\"caa-tag-label\">issuewild<span id=\"caa-issuewild-count\"><\/span><\/p>\n        <ul class=\"caa-list\" id=\"caa-issuewild-list\"><\/ul>\n      <\/div>\n\n      <div class=\"caa-tag-group\">\n        <p class=\"caa-tag-label\">iodef<span id=\"caa-iodef-count\"><\/span><\/p>\n        <ul class=\"caa-list\" id=\"caa-iodef-list\"><\/ul>\n      <\/div>\n\n      <div class=\"caa-tag-group\">\n        <p class=\"caa-tag-label\">\u305d\u306e\u4ed6<span id=\"caa-other-count\"><\/span><\/p>\n        <ul class=\"caa-list\" id=\"caa-other-list\"><\/ul>\n      <\/div>\n\n      <p class=\"caa-muted\" id=\"caa-note\"><\/p>\n    <\/div>\n  <\/div>\n\n  <script>\n\n  <\/script>\n\n<\/div>\n\n\n\n<!-- \u5171\u901aCSS\uff081\u56de\u3060\u3051\u8aad\u307f\u8fbc\u3081\u3070OK\uff09 -->\n<style>\n  .rs-related-tools {\n    background: transparent;\n    color: #000;\n    padding: 10px 0;\n    font-size: 14px;\n    line-height: 1.6;\n    display: flex;\n    flex-wrap: wrap;\n    gap: 8px 12px;\n    align-items: center;\n    margin: 16px 0;\n  }\n  .rs-related-tools__label {\n    border: 1px solid #000;\n    padding: 2px 6px;\n    border-radius: 4px;\n    font-weight: 600;\n    white-space: nowrap;\n  }\n  .rs-related-tools a {\n    color: #0066cc; \/* \u6a19\u6e96\u30ea\u30f3\u30af\u8272 *\/\n    text-decoration: none;\n    white-space: nowrap;\n  }\n  .rs-related-tools a:hover,\n  .rs-related-tools a:focus {\n    text-decoration: underline;\n  }\n<\/style>\n<div class=\"rs-related-tools\">\n  <span class=\"rs-related-tools__label\">\u95a2\u9023\u30c4\u30fc\u30eb<\/span>\n  <a href=\"https:\/\/rakkoserver.com\/plus\/tool-nslookup-dig\/\">nslookup \/ dig<\/a>\n  <a href=\"https:\/\/rakkoserver.com\/plus\/tool-soa-record-checker\/\">SOA<\/a>\n  <a href=\"https:\/\/rakkoserver.com\/plus\/tool-ns-checker\/\">NS<\/a>\n  <a href=\"https:\/\/rakkoserver.com\/plus\/tool-txt-checker\/\">TXT<\/a>\n  <a href=\"https:\/\/rakkoserver.com\/plus\/tool-dns-ttl-checker\/\">TTL<\/a>\n<\/div>\n\n\n\n<p>\u3053\u306e\u300cCAA\u30ec\u30b3\u30fc\u30c9\u78ba\u8a8d\u30c4\u30fc\u30eb\u300d\u306f\u3001\u6307\u5b9a\u3057\u305f\u30c9\u30e1\u30a4\u30f3\u540d\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b<strong>CAA\uff08Certification Authority Authorization\uff09\u30ec\u30b3\u30fc\u30c9<\/strong>\u3092\u30aa\u30f3\u30e9\u30a4\u30f3\u3067\u7c21\u5358\u306b\u78ba\u8a8d\u3067\u304d\u308b\u7121\u6599\u30c4\u30fc\u30eb\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u5165\u529b\u3057\u3066\u300c\u78ba\u8a8d\u3059\u308b\u300d\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3060\u3051\u3067\u3001\u305d\u306e\u30c9\u30e1\u30a4\u30f3\u306eSSL\u30b5\u30fc\u30d0\u30fc\u8a3c\u660e\u66f8\u306e\u767a\u884c\u3092\u8a31\u53ef\u3057\u3066\u3044\u308b\u8a8d\u8a3c\u5c40\uff08CA\uff09\u306e\u60c5\u5831\u3092\u77ac\u6642\u306b\u53d6\u5f97\u3057\u3001\u8868\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>SSL\u30b5\u30fc\u30d0\u30fc\u8a3c\u660e\u66f8\u306e\u53d6\u5f97\u3084\u66f4\u65b0\u304c\u3046\u307e\u304f\u3044\u304b\u306a\u3044\u6642\u3001\u307e\u305f\u306f\u30c9\u30e1\u30a4\u30f3\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30dd\u30ea\u30b7\u30fc\u3092\u78ba\u8a8d\u3059\u308b\u969b\u306b\u3001CAA\u30ec\u30b3\u30fc\u30c9\u304c\u6b63\u3057\u304f\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u7d20\u65e9\u304f\u30c1\u30a7\u30c3\u30af\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-0\">CAA\u30ec\u30b3\u30fc\u30c9\u78ba\u8a8d\u30c4\u30fc\u30eb\u306e\u4f7f\u3044\u65b9<\/h2>\n\n\n\n<p>\u4f7f\u3044\u65b9\u306f\u975e\u5e38\u306b\u30b7\u30f3\u30d7\u30eb\u3067\u3059\u30023\u30b9\u30c6\u30c3\u30d7\u3067\u8ab0\u3067\u3082\u7c21\u5358\u306bCAA\u30ec\u30b3\u30fc\u30c9\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\u30c9\u30e1\u30a4\u30f3\u540d\u306e\u5165\u529b:<\/strong> \u78ba\u8a8d\u3057\u305f\u3044\u30c9\u30e1\u30a4\u30f3\u540d\uff08\u4f8b: example.com\uff09\u3092\u300c\u30c9\u30e1\u30a4\u30f3\u540d\u300d\u306e\u5165\u529b\u6b04\u306b\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u300cwww\u300d\u306e\u6709\u7121\u306f\u554f\u3044\u307e\u305b\u3093\u3002<\/li>\n\n\n\n<li><strong>\uff08\u30aa\u30d7\u30b7\u30e7\u30f3\uff09DNS\u30b5\u30fc\u30d0\u30fc\u306e\u6307\u5b9a:<\/strong> \u7279\u5b9a\u306eDNS\u30b5\u30fc\u30d0\u30fc\u3067\u78ba\u8a8d\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u305d\u306eDNS\u30b5\u30fc\u30d0\u30fc\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u5165\u529b\u3057\u307e\u3059\u3002\u901a\u5e38\u306f\u7a7a\u6b04\u306e\u307e\u307e\u3067\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u3002<\/li>\n\n\n\n<li><strong>\u78ba\u8a8d\u306e\u5b9f\u884c:<\/strong> \u300c\u78ba\u8a8d\u3059\u308b\u300d\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001\u5165\u529b\u3055\u308c\u305f\u30c9\u30e1\u30a4\u30f3\u306eDNS\u60c5\u5831\u3092\u691c\u7d22\u3057\u3001\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308bCAA\u30ec\u30b3\u30fc\u30c9\u306e\u5185\u5bb9\u304c\u300c\u78ba\u8a8d\u7d50\u679c\u300d\u6b04\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-1\">CAA\u30ec\u30b3\u30fc\u30c9\u3067\u53d6\u5f97\u3059\u308b\u60c5\u5831\u306e\u57fa\u790e\u77e5\u8b58<\/h2>\n\n\n\n<p>\u30c4\u30fc\u30eb\u3092\u4f7f\u3046\u4e0a\u3067\u77e5\u3063\u3066\u304a\u304f\u3068\u4fbf\u5229\u306a\u3001CAA\u30ec\u30b3\u30fc\u30c9\u306b\u95a2\u3059\u308b\u57fa\u672c\u7684\u306a\u77e5\u8b58\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-2\">CAA\u30ec\u30b3\u30fc\u30c9\u3068\u306f\uff1f<\/h3>\n\n\n\n<p>CAA\u30ec\u30b3\u30fc\u30c9\u3068\u306f\u3001DNS\uff08Domain Name System\uff09\u306b\u8a2d\u5b9a\u3059\u308b\u30ea\u30bd\u30fc\u30b9\u30ec\u30b3\u30fc\u30c9\u306e\u4e00\u7a2e\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u305d\u306e\u30c9\u30e1\u30a4\u30f3\u306b\u5bfe\u3057\u3066SSL\u30b5\u30fc\u30d0\u30fc\u8a3c\u660e\u66f8\uff08HTTPS\u901a\u4fe1\u306b\u5fc5\u8981\u306a\u8a3c\u660e\u66f8\uff09<strong>\u306e\u767a\u884c\u3092\u8a31\u53ef\u3059\u308b<\/strong>\u8a8d\u8a3c\u5c40\uff08CA \/ Certification Authority\uff09\u3092\u3001\u30c9\u30e1\u30a4\u30f3\u6240\u6709\u8005\u304c\u660e\u793a\u7684\u306b\u6307\u5b9a\u3059\u308b\u305f\u3081\u306e\u4ed5\u7d44\u307f\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3082\u3057\u30c9\u30e1\u30a4\u30f3\u306bCAA\u30ec\u30b3\u30fc\u30c9\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u8a8d\u8a3c\u5c40\u306f\u8a3c\u660e\u66f8\u3092\u767a\u884c\u3059\u308b\u524d\u306b\u5fc5\u305a\u3053\u306e\u30ec\u30b3\u30fc\u30c9\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u305d\u3057\u3066\u3001\u81ea\u5206\u81ea\u8eab\u304c\u767a\u884c\u8a31\u53ef\u30ea\u30b9\u30c8\u306b\u542b\u307e\u308c\u3066\u3044\u306a\u3044\u9650\u308a\u3001\u305d\u306e\u30c9\u30e1\u30a4\u30f3\u306e\u8a3c\u660e\u66f8\u3092\u767a\u884c\u3057\u3066\u306f\u3044\u3051\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-3\">CAA\u30ec\u30b3\u30fc\u30c9\u306e\u76ee\u7684<\/h3>\n\n\n\n<p>CAA\u30ec\u30b3\u30fc\u30c9\u306e\u4e3b\u306a\u76ee\u7684\u306f\u3001<strong>\u610f\u56f3\u3057\u306a\u3044\u8a8d\u8a3c\u5c40\u306b\u3088\u308bSSL\u30b5\u30fc\u30d0\u30fc\u8a3c\u660e\u66f8\u306e\u4e0d\u6b63\u767a\u884c\u3092\u9632\u3050\u3053\u3068<\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4f8b\u3048\u3070\u3001\u7b2c\u4e09\u8005\u304c\u4f55\u3089\u304b\u306e\u65b9\u6cd5\u3067\u3042\u306a\u305f\u306e\u30c9\u30e1\u30a4\u30f3\u306e\u8a3c\u660e\u66f8\u3092\u5225\u306e\u8a8d\u8a3c\u5c40\u304b\u3089\u4e0d\u6b63\u306b\u53d6\u5f97\u3057\u3088\u3046\u3068\u3057\u3066\u3082\u3001\u3042\u306a\u305f\u304cCAA\u30ec\u30b3\u30fc\u30c9\u3067\u7279\u5b9a\u306e\u8a8d\u8a3c\u5c40\uff08\u4f8b: Let\u2019s Encrypt\uff09\u306e\u307f\u3092\u8a31\u53ef\u3057\u3066\u3044\u308c\u3070\u3001\u305d\u308c\u4ee5\u5916\u306e\u8a8d\u8a3c\u5c40\uff08\u4f8b: DigiCert\uff09\u306f\u305d\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u62d2\u5426\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30c9\u30e1\u30a4\u30f3\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-4\">CAA\u30ec\u30b3\u30fc\u30c9\u306e\u69cb\u6210\u8981\u7d20<\/h3>\n\n\n\n<p>\u30c4\u30fc\u30eb\u3067\u8868\u793a\u3055\u308c\u308bCAA\u30ec\u30b3\u30fc\u30c9\u306f\u3001\u4e3b\u306b3\u3064\u306e\u90e8\u5206\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>flag (\u30d5\u30e9\u30b0):<\/strong> \u901a\u5e38\u306f\u300c0\u300d\u304c\u8a2d\u5b9a\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u30ec\u30b3\u30fc\u30c9\u306e\u51e6\u7406\u65b9\u6cd5\u3092\u793a\u3059\u6570\u5024\u3067\u3059\u3002<\/li>\n\n\n\n<li><strong>tag (\u30bf\u30b0):<\/strong> \u30ec\u30b3\u30fc\u30c9\u306e\u7a2e\u985e\u3092\u793a\u3057\u307e\u3059\u3002\u4e3b\u306b\u4ee5\u4e0b\u306e3\u3064\u304c\u3042\u308a\u307e\u3059\u3002\n<ul class=\"wp-block-list\">\n<li><strong>issue:<\/strong> \u6307\u5b9a\u3057\u305f\u8a8d\u8a3c\u5c40\uff08value\uff09\u306b\u3001<strong>\u901a\u5e38\u306e\u8a3c\u660e\u66f8<\/strong>\uff08\u4f8b: example.com\uff09\u306e\u767a\u884c\u3092\u8a31\u53ef\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>issuewild:<\/strong> \u6307\u5b9a\u3057\u305f\u8a8d\u8a3c\u5c40\uff08value\uff09\u306b\u3001<strong>\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u8a3c\u660e\u66f8<\/strong>\uff08\u4f8b: *https:\/\/www.google.com\/search?q=.example.com\uff09\u306e\u767a\u884c\u3092\u8a31\u53ef\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>iodef:<\/strong> \u8a3c\u660e\u66f8\u767a\u884c\u306e\u9055\u53cd\uff08\u8a31\u53ef\u3055\u308c\u3066\u3044\u306a\u3044CA\u3078\u306e\u767a\u884c\u30ea\u30af\u30a8\u30b9\u30c8\uff09\u304c\u3042\u3063\u305f\u5834\u5408\u306b\u3001\u305d\u306e\u30ec\u30dd\u30fc\u30c8\u3092\u53d7\u3051\u53d6\u308b\u305f\u3081\u306e\u9023\u7d61\u5148\uff08\u4e3b\u306b\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\uff09\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>value (\u5024):<\/strong> \u30bf\u30b0\u306b\u5bfe\u5fdc\u3059\u308b\u5177\u4f53\u7684\u306a\u5024\u3067\u3059\u3002<code>issue<\/code>\u3084<code>issuewild<\/code>\u30bf\u30b0\u306e\u5834\u5408\u306f\u3001\u8a31\u53ef\u3059\u308b<strong>\u8a8d\u8a3c\u5c40\u306e\u30c9\u30e1\u30a4\u30f3\u540d<\/strong>\uff08\u4f8b: \u201cletsencrypt.org\u201d\uff09\u304c\u5165\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-5\">CAA\u30ec\u30b3\u30fc\u30c9\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u306f\uff1f<\/h3>\n\n\n\n<p>\u30c4\u30fc\u30eb\u3067\u78ba\u8a8d\u3057\u3066\u300cCAA\u30ec\u30b3\u30fc\u30c9\u304c\u898b\u3064\u304b\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u300d\u3068\u8868\u793a\u3055\u308c\u305f\u5834\u5408\u3001\u305d\u308c\u306f**\u300c\u3059\u3079\u3066\u306e\u8a8d\u8a3c\u5c40\uff08CA\uff09\u304b\u3089\u306e\u8a3c\u660e\u66f8\u767a\u884c\u3092\u8a31\u53ef\u3059\u308b\u300d**\u3068\u3044\u3046\u610f\u5473\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u7279\u306b\u767a\u884c\u3059\u308b\u8a8d\u8a3c\u5c40\u3092\u5236\u9650\u3059\u308b\u5fc5\u8981\u304c\u306a\u3044\u5834\u5408\u306f\u3001CAA\u30ec\u30b3\u30fc\u30c9\u3092\u7121\u7406\u306b\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-6\">\u3053\u306e\u30c4\u30fc\u30eb\u304c\u5f79\u7acb\u3064\u3068\u304d\u306f\u3069\u3093\u306a\u3068\u304d\uff1f<\/h2>\n\n\n\n<p>\u3053\u306eCAA\u30ec\u30b3\u30fc\u30c9\u78ba\u8a8d\u30c4\u30fc\u30eb\u306f\u3001\u7279\u306b\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5834\u9762\uff08\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\uff09\u3067\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>SSL\u30b5\u30fc\u30d0\u30fc\u8a3c\u660e\u66f8\u304c\u767a\u884c\u30fb\u66f4\u65b0\u3067\u304d\u306a\u3044\u3068\u304d<\/strong> \u8a3c\u660e\u66f8\u306e\u65b0\u898f\u53d6\u5f97\u3084\u66f4\u65b0\u624b\u7d9a\u304d\u304c\u30a8\u30e9\u30fc\u306b\u306a\u308b\u3068\u304d\u3001\u305d\u306e\u539f\u56e0\u304cCAA\u30ec\u30b3\u30fc\u30c9\u306e\u8a2d\u5b9a\u30df\u30b9\u3067\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30c4\u30fc\u30eb\u3067\u300c\u610f\u56f3\u3057\u305f\u8a8d\u8a3c\u5c40\u304c\u8a31\u53ef\u3055\u308c\u3066\u3044\u308b\u304b\u300d\u3092\u78ba\u8a8d\u3059\u308b\u306e\u306b\u4f7f\u3048\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u4f7f\u7528\u3059\u308b\u8a8d\u8a3c\u5c40\uff08CA\uff09\u3092\u5909\u66f4\u3059\u308b\u3068\u304d<\/strong> \u3053\u308c\u307e\u3067A\u793e\uff08\u4f8b: DigiCert\uff09\u306e\u8a3c\u660e\u66f8\u3092\u4f7f\u3063\u3066\u3044\u305f\u304c\u3001B\u793e\uff08\u4f8b: Let\u2019s Encrypt\uff09\u306b\u5909\u66f4\u3059\u308b\u5834\u5408\u3002\u3082\u3057CAA\u30ec\u30b3\u30fc\u30c9\u3067A\u793e\u306e\u307f\u3092\u8a31\u53ef\u3057\u3066\u3044\u308b\u3068\u3001B\u793e\u306f\u8a3c\u660e\u66f8\u3092\u767a\u884c\u3067\u304d\u307e\u305b\u3093\u3002\u5909\u66f4\u5148\u306eB\u793e\u3092\u8a31\u53ef\u3059\u308b\u3088\u3046CAA\u30ec\u30b3\u30fc\u30c9\u3092\u4fee\u6b63\u3057\u305f\u3042\u3068\u3001\u6b63\u3057\u304f\u53cd\u6620\u3055\u308c\u305f\u304b\u3092\u3053\u306e\u30c4\u30fc\u30eb\u3067\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u81ea\u793e\u30c9\u30e1\u30a4\u30f3\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30dd\u30ea\u30b7\u30fc\u3092\u78ba\u8a8d\u3059\u308b\u3068\u304d<\/strong> \u81ea\u793e\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30dd\u30ea\u30b7\u30fc\u3068\u3057\u3066\u3001\u7279\u5b9a\u306e\u8a8d\u8a3c\u5c40\u4ee5\u5916\u304b\u3089\u306e\u8a3c\u660e\u66f8\u767a\u884c\u3092\u7981\u6b62\u3057\u305f\u3044\u5834\u5408\u3002CAA\u30ec\u30b3\u30fc\u30c9\u3092\u8a2d\u5b9a\u3057\u305f\u5f8c\u306b\u3001\u3053\u306e\u30c4\u30fc\u30eb\u3092\u4f7f\u3063\u3066\u610f\u56f3\u901a\u308a\u306b\u8a2d\u5b9a\u304c\u53cd\u6620\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u8a3c\u660e\u66f8\u306e\u767a\u884c\u524d\u30c1\u30a7\u30c3\u30af<\/strong> \u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u8a3c\u660e\u66f8\uff08*https:\/\/www.google.com\/search?q=.example.com\uff09\u3092\u53d6\u5f97\u3059\u308b\u969b\u3001<code>issuewild<\/code>\u30bf\u30b0\u304c\u6b63\u3057\u304f\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u304b\u3001\u307e\u305f\u306f<code>issue<\/code>\u30bf\u30b0\u3067\u8a31\u53ef\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u5229\u7528\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30c9\u30e1\u30a4\u30f3\u540d\u3068DNS\u30b5\u30fc\u30d0\u30fc\u3092\u6307\u5b9a\u3057\u3066\u3001CAA\u30ec\u30b3\u30fc\u30c9(\u8a3c\u660e\u66f8\u767a\u884c\u6a29\u9650)\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002 \u898b\u3064\u304b\u3063\u305fCAA\u30ec\u30b3\u30fc\u30c9\u3092\u30bf\u30b0\u3054\u3068(issue \/ issuewild \/ iodef \/ \u305d\u306e\u4ed6)\u306b\u5206\u985e\u3057\u3066\u8868\u793a\u3057\u307e\u3059\u3002 \u30c9\u30e1\u30a4\u30f3\u540d &#8230; 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