{"id":19997,"date":"2026-06-14T11:47:58","date_gmt":"2026-06-14T09:47:58","guid":{"rendered":"https:\/\/webhosting.de\/dnssec-key-rotation-automatisierte-signierung-sichere-domains-cryptoguide\/"},"modified":"2026-06-14T11:47:58","modified_gmt":"2026-06-14T09:47:58","slug":"dns-sec-%e3%82%ad%e3%83%bc%e3%83%ad%e3%83%bc%e3%83%86%e3%83%bc%e3%82%b7%e3%83%a7%e3%83%b3%e3%80%81%e8%87%aa%e5%8b%95%e7%bd%b2%e5%90%8d%e3%80%81%e5%ae%89%e5%85%a8%e3%81%aa%e3%83%89%e3%83%a1%e3%82%a4","status":"publish","type":"post","link":"https:\/\/webhosting.de\/ja\/dnssec-key-rotation-automatisierte-signierung-sichere-domains-cryptoguide\/","title":{"rendered":"DNSSEC\u306e\u9375\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u3068\u81ea\u52d5\u7f72\u540d\u306b\u3088\u308b\u6700\u5927\u9650\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3"},"content":{"rendered":"<p>\u3053\u3053\u3067\u306f\u3001 <strong>DNSSEC \u30ad\u30fc<\/strong> \u307e\u305f\u3001\u81ea\u52d5\u5316\u3055\u308c\u305f\u7f72\u540d\u51e6\u7406\u306b\u3088\u308a\u3001\u4e0d\u6b63\u64cd\u4f5c\u3092\u78ba\u5b9f\u306b\u963b\u6b62\u3057\u3001\u969c\u5bb3\u3092\u56de\u907f\u3057\u3001\u904b\u7528\u3092\u7c21\u7d20\u5316\u3057\u307e\u3059\u3002 \u305d\u306e\u305f\u3081\u306b\u3001ZSK\u304a\u3088\u3073KSK\u306e\u66f4\u65b0\u624b\u9806\u3084\u3001TTL\/RRSIG\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u30eb\u30fc\u30eb\u3092\u660e\u78ba\u306b\u5b9a\u7fa9\u3057\u3001\u9375\u306e\u5b89\u5168\u306a\u751f\u6210\u3001\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u3001\u304a\u3088\u3073\u8a18\u9332\u3092\u884c\u3046\u81ea\u52d5\u5316\u306b\u6ce8\u529b\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n<h2>\u4e2d\u5fc3\u70b9<\/h2>\n<p>\u4ee5\u4e0b\u306e\u91cd\u70b9\u9805\u76ee\u306f\u3001\u5b89\u5168\u306a\u9375\u306e\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u3068\u7f72\u540d\u306e\u5b9f\u8df5\u3078\u3068\u76f4\u7d50\u3057\u307e\u3059\u3002.<\/p>\n<ul>\n  <li><strong>ZSK\/KSK<\/strong> \u304d\u308c\u3044\u306b\u5206\u96e2\u3057\u3001\u6bb5\u968e\u7684\u306b\u56de\u8ee2\u3055\u305b\u308b<\/li>\n  <li><strong>\u30aa\u30fc\u30c8\u30e1\u30fc\u30b7\u30e7\u30f3<\/strong> \u7f72\u540d\u3068\u30ed\u30fc\u30eb\u30aa\u30fc\u30d0\u30fc\u3092\u4f4e\u30a8\u30e9\u30fc\u7387\u3067\u5236\u5fa1\u3059\u308b<\/li>\n  <li><strong>\u30bf\u30a4\u30df\u30f3\u30b0<\/strong> TTL\u304a\u3088\u3073RRSIG\u306b\u3064\u3044\u3066\u306f\u53b3\u5b88\u3059\u308b\u3053\u3068<\/li>\n  <li><strong>\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0<\/strong> \u5b9f\u884c\u6642\u9593\u3001DS\u3001\u304a\u3088\u3073\u691c\u8a3c\u306b\u3064\u3044\u3066<\/li>\n  <li><strong>\u65b9\u91dd<\/strong> \u5b9a\u671f\u70b9\u691c\u3001\u7dca\u6025\u6642\u3001\u304a\u3088\u3073\u76e3\u67fb\u7528<\/li>\n<\/ul>\n\n<h2>DNSSEC\u306e\u6982\u8981\uff1a\u7f72\u540d\u3068\u4fe1\u983c\u306e\u9023\u9396<\/h2>\n<p>DNSSEC\u306f\u3001\u540d\u524d\u89e3\u6c7a\u306b\u6697\u53f7\u7f72\u540d\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3067\u3001\u30ea\u30be\u30eb\u30d0\u30fc\u304c\u5fdc\u7b54\u306e\u771f\u6b63\u6027\u3092\u78ba\u8a8d\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002 <strong>\u8aa0\u5b9f\u3055<\/strong> \u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u79d8\u5bc6\u9375\u306f\u30be\u30fc\u30f3\u30c7\u30fc\u30bf\u306b\u7f72\u540d\u3057\u3001\u305d\u306e\u516c\u958b\u9375\u306fDNSKEY\u3068\u3057\u3066DNS\u306b\u767b\u9332\u3055\u308c\u3001\u691c\u8a3c\u306e\u57fa\u76e4\u3068\u306a\u308a\u307e\u3059\u3002\u4fe1\u983c\u306e\u9023\u9396\uff08Chain of Trust\uff09\u306f\u3001DS\u30ec\u30b3\u30fc\u30c9\u3092\u4ecb\u3057\u3066\u30eb\u30fc\u30c8\u3001TLD\u3001\u304a\u3088\u3073\u81ea\u8eab\u306e\u30be\u30fc\u30f3\u3092\u7d50\u3073\u3064\u3051\u3001\u5404\u30ec\u30d9\u30eb\u304c\u6b21\u306e\u30ec\u30d9\u30eb\u3092 <strong>\u8a8d\u8a3c\u6e08\u307f<\/strong>. \u3053\u306e\u3088\u3046\u306b\u3057\u3066\u3001\u79c1\u306f\u3059\u3067\u306bDNS\u30ec\u30d9\u30eb\u3067\u30ad\u30e3\u30c3\u30b7\u30e5\u30dd\u30a4\u30ba\u30cb\u30f3\u30b0\u3084\u4e2d\u9593\u8005\u653b\u6483\u3092\u30d6\u30ed\u30c3\u30af\u3057\u3066\u3044\u307e\u3059\u3002\u9069\u5207\u306a\u9375\u7ba1\u7406\u304c\u884c\u308f\u308c\u306a\u3044\u3068\u3001\u3053\u306e\u4fdd\u8b77\u5c64\u306f\u52b9\u679c\u3092\u5931\u3063\u3066\u3057\u307e\u3046\u305f\u3081\u3001\u79c1\u306f\u9375\u306e\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u3001\u30bf\u30a4\u30df\u30f3\u30b0\u3001\u305d\u3057\u3066\u81ea\u52d5\u5316\u3092\u6700\u512a\u5148\u4e8b\u9805\u3068\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/06\/dnssec-key-rotation-8452.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>ZSK\u3068KSK\u3092\u52b9\u679c\u7684\u306b\u6d3b\u7528\u3059\u308b<\/h2>\n<p>\u79c1\u306f <strong>\u30bc\u30c3\u30c8\u30a8\u30b9\u30b1\u30fc<\/strong> \u30ea\u30bd\u30fc\u30b9\u30ec\u30b3\u30fc\u30c9\u306e\u7f72\u540d\u306b\u306f\u3001\u3088\u308a\u77ed\u3044\u66f4\u65b0\u9593\u9694\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002 <strong>KSK<\/strong> DNSKEY\u30ec\u30b3\u30fc\u30c9\u306b\u7f72\u540d\u3057\u3001\u30be\u30fc\u30f3\u3092\u4e0a\u4f4d\u306eDS\u30ec\u30d9\u30eb\u3068\u7d50\u3073\u3064\u3051\u308b\u305f\u3081\u3001\u305d\u306e\u5909\u66f4\u306f\u983b\u5ea6\u3092\u6291\u3048\u3001\u7279\u306b\u614e\u91cd\u306b\u884c\u3046\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u5f79\u5272\u3092\u53b3\u683c\u306b\u5206\u96e2\u3059\u308b\u3053\u3068\u3067\u3001\u30ec\u30b8\u30b9\u30c8\u30ea\u3092\u983b\u7e41\u306b\u5909\u66f4\u3059\u308b\u3053\u3068\u306a\u304f\u3001ZSK\u306e\u904b\u7528\u4e0a\u306e\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u53ef\u80fd\u306b\u3057\u3066\u3044\u307e\u3059\u3002 \u4fe1\u983c\u306e\u9023\u9396\u3092\u3088\u308a\u6df1\u304f\u7406\u89e3\u3057\u305f\u3044\u65b9\u306f\u3001\u3053\u306e\u5b9f\u8df5\u7684\u306a\u6982\u8981\u3092\u901a\u3058\u3066 <a href=\"https:\/\/webhosting.de\/ja\/dnssec-%e3%83%9b%e3%82%b9%e3%83%86%e3%82%a3%e3%83%b3%e3%82%b0-%e3%82%bb%e3%82%ad%e3%83%a5%e3%83%aa%e3%83%86%e3%82%a3%e5%ae%9f%e8%a3%85-%e3%83%88%e3%83%a9%e3%82%b9%e3%83%88%e3%83%81%e3%82%a7%e3%83%bc\/\">DNSSEC\u306e\u4fe1\u983c\u30c1\u30a7\u30fc\u30f3<\/a> \u3053\u306e\u3088\u3046\u306b\u3057\u3066\u3001\u7f72\u540d\u3092\u67d4\u8edf\u306b\u4fdd\u3061\u3064\u3064\u3001TLD\u3078\u306e\u30a2\u30f3\u30ab\u30fc\u3092\u78ba\u4fdd\u3057\u3001\u4e21\u65b9\u306e\u9375\u30bf\u30a4\u30d7\u3092\u7ba1\u7406\u4e0b\u306b\u7f6e\u3044\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n<h2>DNSSEC\u306e\u9375\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u5b89\u5168\u306b\u5b9f\u65bd\u3059\u308b<\/h2>\n<p>ZSK\u3092\u5909\u66f4\u3059\u308b\u306b\u306f\u3001\u307e\u305a\u5341\u5206\u306a\u9577\u3055\u306e\u65b0\u3057\u3044\u9375\u3092\u751f\u6210\u3057\u307e\u3059 <strong>\u30ad\u30fc\u9577<\/strong> \u305d\u3057\u3066\u3001\u305d\u308c\u3092\u53e4\u3044\u9375\u306b\u52a0\u3048\u3066DNSKEY\u3068\u3057\u3066\u516c\u958b\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u30be\u30fc\u30f3\u3092\u518d\u7f72\u540d\u3057\u307e\u3059\u304c\u3001\u65b0\u3057\u3044\u9375\u304c\u3059\u3079\u3066\u306e\u5834\u6240\u3067\u8a8d\u8b58\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308b\u307e\u3067\u306f\u3001\u5f53\u9762\u306e\u9593\u3001\u53e4\u3044ZSK\u306b\u3088\u308b\u7f72\u540d\u3092\u7d99\u7d9a\u3055\u305b\u307e\u3059\u3002 DNSKEY\u3068RRSIG\u306eTTL\u306b\u6ce8\u610f\u3092\u6255\u3044\u3001\u30ea\u30be\u30eb\u30d0\u30fc\u304c\u78ba\u5b9f\u306b\u65b0\u3057\u3044\u9375\u3092\u4fdd\u6301\u3059\u308b\u307e\u3067\u5f85\u3061\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u7f72\u540d\u3092\u65b0\u3057\u3044\u3082\u306e\u306b\u5909\u66f4\u3057\u307e\u3059\u3002 <strong>\u30bc\u30c3\u30c8\u30a8\u30b9\u30b1\u30fc<\/strong> \u53e4\u3044\u7f72\u540d\u3092\u8a08\u753b\u901a\u308a\u306b\u5931\u52b9\u3055\u305b\u3066\u3044\u304d\u307e\u3059\u3002\u5b89\u5168\u7b56\u3068\u3057\u3066\u3001\u4ee5\u524d\u306e\u9375\u3092\u524a\u9664\u3059\u308b\u306e\u306f\u3001\u524a\u9664\u304c\u65e9\u3059\u304e\u3066\u691c\u8a3c\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u306e\u3092\u9632\u3050\u305f\u3081\u3001\u5341\u5206\u306a\u4f59\u88d5\u3092\u6301\u305f\u305b\u3066\u304b\u3089\u884c\u3044\u307e\u3059\u3002.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/06\/TechnologieBesprechung1234.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u5b9f\u52d9\u306b\u304a\u3051\u308b\u81ea\u52d5\u7f72\u540d<\/h2>\n<p>\u79c1\u306f\u81ea\u52d5\u5316\u3055\u308c\u305f\u7f72\u540d\u6a5f\u80fd\u3092\u63a1\u7528\u3057\u3001\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\u304c\u5185\u90e8\u3067\u9375\u3092\u7ba1\u7406\u3057\u3001\u65b0\u3057\u3044\u9375\u30da\u30a2\u3092\u751f\u6210\u3057\u3001\u30ed\u30fc\u30eb\u30aa\u30fc\u30d0\u30fc\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u6b63\u78ba\u306b\u8abf\u6574\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306f\u3001\u9593\u9694\u3001\u518d\u7f72\u540d\u30a6\u30a3\u30f3\u30c9\u30a6\u3001\u4e88\u5099\u671f\u9593\u306b\u3064\u3044\u3066\u5b9a\u3081\u3089\u308c\u305f\u30dd\u30ea\u30b7\u30fc\u3092\u4f7f\u7528\u3059\u308b\u305f\u3081\u3001\u30bf\u30a4\u30df\u30f3\u30b0\u306e\u305a\u308c\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u30aa\u30f3\u30b6\u30d5\u30e9\u30a4\u7f72\u540d\u3084\u5b9a\u671f\u7684\u306a\u518d\u7f72\u540d\u306b\u3088\u308a\u3001RRSIG\u306e\u671f\u9650\u5207\u308c\u3092\u9632\u304e\u3001 <strong>\u30be\u30fc\u30f3<\/strong> \u5e38\u306b\u6709\u52b9\u3067\u3059\u3002\u7d44\u307f\u8fbc\u307f\u306e\u30ed\u30b0\u306b\u3088\u308a\u3001\u30ad\u30fc\u306e\u751f\u6210\u3001\u6709\u52b9\u5316\u3001\u7121\u52b9\u5316\u3092\u5373\u5ea7\u306b\u628a\u63e1\u3067\u304d\u307e\u3059\u3002\u5177\u4f53\u7684\u306a\u30aa\u30d7\u30b7\u30e7\u30f3\u3084\u5236\u5fa1\u306b\u3064\u3044\u3066\u3055\u3089\u306b\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u3053\u3061\u3089\u3067\u57fa\u790e\u304b\u3089\u5b66\u3079\u308b\u30ac\u30a4\u30c9\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002 <a href=\"https:\/\/webhosting.de\/ja\/%e3%83%89%e3%83%a1%e3%82%a4%e3%83%b3%e3%83%bb%e3%82%bb%e3%82%ad%e3%83%a5%e3%83%aa%e3%83%86%e3%82%a3-%e3%83%ad%e3%83%bc%e3%83%86%e3%83%bc%e3%82%b7%e3%83%a7%e3%83%b3%e3%83%bb%e3%82%bb%e3%82%ad%e3%83%a5\/\">\u81ea\u52d5\u7f72\u540d<\/a>.<\/p>\n\n<h2>\u76e3\u8996\u3001\u30ed\u30ae\u30f3\u30b0\u3001\u76e3\u67fb<\/h2>\n<p>\u76e3\u8996\u304c\u306a\u3051\u308c\u3070\u3001\u3069\u3093\u306a\u81ea\u52d5\u5316\u3082\u305d\u306e\u52b9\u679c\u3092\u5931\u3063\u3066\u3057\u307e\u3046 <strong>\u52b9\u679c<\/strong>. \u3002\u79c1\u306fRRSIG\u306e\u6709\u52b9\u671f\u9593\u3001\u65b0\u3057\u3044DNSKEY\u306e\u516c\u958b\u671f\u9593\u3001\u304a\u3088\u3073\u30ec\u30b8\u30b9\u30c8\u30ea\u306b\u304a\u3051\u308bDS\u30ec\u30b3\u30fc\u30c9\u306e\u53ef\u7528\u6027\u3092\u76e3\u8996\u3057\u3066\u3044\u307e\u3059\u3002 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TTL\u304c\u9577\u3059\u304e\u308b\u3068\u5207\u308a\u66ff\u3048\u671f\u9593\u304c\u9577\u5f15\u304d\u307e\u3059\u3057\u3001\u77ed\u3059\u304e\u308b\u3068\u8ca0\u8377\u304c\u5897\u5927\u3057\u3001\u7f72\u540d\u306e\u6709\u52b9\u671f\u9650\u304c\u65e9\u3059\u304e\u308b\u5834\u5408\u306b\u306f\u691c\u8a3c\u306e\u30ae\u30e3\u30c3\u30d7\u304c\u751f\u3058\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u65b0\u65e7\u306e\u9375\u3092\u4e8c\u91cd\u306b\u516c\u958b\u3059\u308b\u969b\u306f\u3001\u5c11\u306a\u304f\u3068\u30821\u65e5\u4ee5\u4e0a\u5f85\u3063\u3066\u304b\u3089 <strong>TTL<\/strong> 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2048\u304c\u5b9f\u7528\u7684\u306a\u9078\u629e\u80a2\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001ECDSA\u306f\u7f72\u540d\u30b5\u30a4\u30ba\u3092\u7e2e\u5c0f\u3057\u3001\u5fdc\u7b54\u6642\u9593\u3092\u77ed\u7e2e\u3057\u307e\u3059\u3002ZSK\u306b\u3064\u3044\u3066\u306f\u3001\u6709\u52b9\u671f\u9593\u3092\u77ed\u304f\u8a2d\u5b9a\u3057\u3001\u4fe1\u983c\u6027\u306e\u9ad8\u3044 <strong>\u767a\u96fb\u6a5f<\/strong> 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height=\"1024\"\/>\n<\/figure>\n\n\n<h2>DNSSEC\u3001TLS\u3001\u304a\u3088\u3073\u96fb\u5b50\u30e1\u30fc\u30eb\u8a8d\u8a3c\u3092\u7d71\u5408\u7684\u306b\u691c\u8a0e\u3059\u308b<\/h2>\n<p>DNSSEC\u306f\u540d\u524d\u89e3\u6c7a\u3092\u4fdd\u8b77\u3057\u3001TLS\u306f\u901a\u4fe1\u7d4c\u8def\u3092\u4fdd\u8b77\u3057\u3001\u8a3c\u660e\u66f8\u7ba1\u7406\u306f\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3092\u9632\u304e\u307e\u3059\u3002 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<strong>\u8996\u8a8d\u6027<\/strong> \u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u53ef\u8996\u5316\u3057\u3001\u76e3\u67fb\u3092\u5bb9\u6613\u306b\u3057\u307e\u3059\u3002\u9ad8\u3044\u8981\u4ef6\u3092\u6e80\u305f\u3059\u305f\u3081\u306b\u306f\u3001DNSSEC\u3001\u81ea\u52d5\u5316\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u517c\u306d\u5099\u3048\u305f\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u6bd4\u8f03\u691c\u8a0e\u3059\u308b\u4fa1\u5024\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u70b9\u306b\u304a\u3044\u3066\u3001webhoster.de\u306f\u3057\u3070\u3057\u3070\u5f37\u304f\u63a8\u5968\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u3092\u8003\u616e\u3059\u308b\u3053\u3068\u3067\u3001\u904b\u7528\u30ea\u30b9\u30af\u3092\u4f4e\u6e1b\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u3084\u30d1\u30fc\u30c8\u30ca\u30fc\u304b\u3089\u306e\u4fe1\u983c\u3092\u9ad8\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/06\/dev_desk_DNSSEC_1234.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u5b9f\u8df5\u30ac\u30a4\u30c9\uff1a\u660e\u78ba\u306a\u6bb5\u968e\u3092\u8e0f\u3093\u3060\u5c0e\u5165<\/h2>\n<p>\u307e\u305a\u3001\u30d3\u30b8\u30cd\u30b9\u306b\u4e0d\u53ef\u6b20\u306a\u30c9\u30e1\u30a4\u30f3\u306e\u73fe\u72b6\u3092\u628a\u63e1\u3057\u3001\u3069\u306eDNS\u30a4\u30f3\u30d5\u30e9\u304cDNSSEC\u3092\u9069\u5207\u306b\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u30ad\u30fc\u30dd\u30ea\u30b7\u30fc\u3092\u7b56\u5b9a\u3057\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3001\u9375\u306e\u9577\u3055\u3001\u6570\u9031\u9593\u304b\u3089\u6570\u30f6\u6708\u5358\u4f4d\u306eZSK\uff08\u30be\u30fc\u30f3\u30b7\u30fc\u30af\u30ec\u30c3\u30c8\u30ad\u30fc\uff09\u306e\u66f4\u65b0\u9593\u9694\u30011\u5e74\u4ee5\u4e0a\u5358\u4f4d\u306eKSK\uff08\u30ad\u30fc\u30b7\u30fc\u30af\u30ec\u30c3\u30c8\u30ad\u30fc\uff09\u306e\u66f4\u65b0\u9593\u9694\u306a\u3069\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002 \u30c6\u30b9\u30c8\u74b0\u5883\u3067DNSSEC\u3092\u6709\u52b9\u5316\u3057\u3001\u30be\u30fc\u30f3\u306b\u7f72\u540d\u3092\u884c\u3044\u3001\u3055\u307e\u3056\u307e\u306a\u30ea\u30be\u30eb\u30d0\u30fc\u3092\u4f7f\u7528\u3057\u3066\u691c\u8a3c\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u3068\u3057\u3066\u3001\u81ea\u52d5\u7f72\u540d\u3092\u6709\u52b9\u306b\u3057\u3001\u518d\u7f72\u540d\u30a6\u30a3\u30f3\u30c9\u30a6\u3068\u30ed\u30fc\u30eb\u30aa\u30fc\u30d0\u30fc\u306e\u3057\u304d\u3044\u5024\u3092\u8a2d\u5b9a\u3057\u3066\u3001 <strong>\u30a8\u30e9\u30fc<\/strong> TTL\u304a\u3088\u3073\u516c\u958b\u6642\u306b\u767a\u751f\u3059\u308b\u554f\u984c\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u3067\u3059\u3002\u30ed\u30fc\u30eb\u30a2\u30a6\u30c8\u306f\u6bb5\u968e\u7684\u306b\u5b9f\u65bd\u3057\u3001\u30ec\u30a4\u30c6\u30f3\u30b7\u3084\u691c\u8a3c\u7387\u3092\u76e3\u8996\u3057\u306a\u304c\u3089\u3001\u521d\u671f\u306e\u904b\u7528\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u9593\u9694\u3092\u8abf\u6574\u3057\u307e\u3059\u3002.<\/p>\n\n<h2>\u3088\u304f\u3042\u308b\u30df\u30b9\u3092\u7d20\u65e9\u304f\u898b\u3064\u3051\u3001\u672a\u7136\u306b\u9632\u3050<\/h2>\n<p>\u6709\u52b9\u671f\u9650\u304c\u5207\u308c\u305f\u7f72\u540d\u306f\u5373\u5ea7\u306b\u691c\u8a3c\u30a8\u30e9\u30fc\u3092\u5f15\u304d\u8d77\u3053\u3059\u305f\u3081\u3001\u79c1\u306f\u518d\u7f72\u540d\u306e\u9593\u9694\u3092\u77ed\u304f\u3057\u3001\u30d0\u30c3\u30d5\u30a1\u6642\u9593\u3092\u78ba\u5b9f\u306b\u5f85\u3063\u3066\u3044\u307e\u3059\u3002 \u8aa4\u3063\u305f\u3001\u3042\u308b\u3044\u306f\u6b20\u843d\u3057\u305fDS\u30ec\u30b3\u30fc\u30c9\u306f\u4fe1\u983c\u306e\u9023\u9396\u3092\u65ad\u3061\u5207\u3063\u3066\u3057\u307e\u3046\u305f\u3081\u3001KSK\u306e\u5909\u66f4\u5f8c\u306f\u5e38\u306b\u4e0a\u4f4d\u30be\u30fc\u30f3\u3092\u78ba\u8a8d\u3057\u3066\u3044\u307e\u3059\u3002\u53e4\u3044\u9375\u306e\u524a\u9664\u304c\u65e9\u3059\u304e\u305f\u308a\u3001\u65b0\u3057\u3044\u9375\u30da\u30a2\u306e\u516c\u958b\u304c\u9045\u3059\u304e\u305f\u308a\u3059\u308b\u3068\u3001\u30ea\u30be\u30eb\u30d0\u30fc\u306b\u304a\u3044\u3066 <strong>\u5931\u6557<\/strong>. \u4e92\u63db\u6027\u306e\u306a\u3044\u3001\u3042\u308b\u3044\u306f\u8a2d\u5b9a\u304c\u8aa4\u3063\u3066\u3044\u308b\u30ea\u30be\u30eb\u30d0\u30fc\u306b\u3064\u3044\u3066\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u30d0\u30ea\u30c7\u30fc\u30bf\u3092\u7528\u3044\u305f\u30c6\u30b9\u30c8\u3084\u5404\u30b9\u30c6\u30c3\u30d7\u306e\u30ed\u30b0\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3067\u767a\u898b\u3057\u307e\u3059\u3002\u4e0d\u5099\u304c\u898b\u3064\u304b\u3063\u305f\u5834\u5408\u306f\u3001\u76f4\u3061\u306b\u7dca\u6025\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u65bd\u3057\u3001\u8fc5\u901f\u306a\u9375\u306e\u751f\u6210\u3068\u518d\u516c\u958b\u3092\u512a\u5148\u3057\u307e\u3059\u3002.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/06\/dnssec-sicherheit-serverraum-4876.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3068\u30ed\u30fc\u30eb\u30aa\u30fc\u30d0\u30fc\u30dd\u30ea\u30b7\u30fc\u306e\u6982\u8981<\/h2>\n<p>\u9577\u671f\u7684\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u3001\u5f79\u5272\u3001\u30d7\u30ed\u30bb\u30b9\u3001\u70b9\u691c\u9593\u9694\u3001\u304a\u3088\u3073\u7dca\u6025\u4e8b\u614b\u306b\u3064\u3044\u3066\u3001\u6f0f\u308c\u306a\u304f\u8a18\u9332\u3057\u3066\u3044\u307e\u3059\u3002\u67d4\u8edf\u6027\u3092\u7dad\u6301\u3057\u3001\u5207\u308a\u66ff\u3048\u6642\u9593\u3092\u5ef6\u3070\u3055\u306a\u3044\u3088\u3046\u3001\u7f72\u540d\u306b\u95a2\u9023\u3059\u308b\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306eTTL\u306f\u9069\u5ea6\u306a\u9577\u3055\u306b\u8a2d\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002 KSK\u306f\u7279\u306b\u53b3\u91cd\u306b\u4fdd\u8b77\u3057\u3001ZSK\u306f\u81ea\u52d5\u3067\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u3055\u305b\u308b\u3053\u3068\u3067\u3001\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u306b\u5373\u5ea7\u306b\u5bfe\u5fdc\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u5b9a\u671f\u7684\u306a\u76e3\u67fb\u3067\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u3001\u30ed\u30b0\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3067\u3001\u6b7b\u89d2\u3092\u65e9\u671f\u306b\u767a\u898b\u3057\u3066\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u8868\u306f\u3001\u4e00\u822c\u7684\u306a\u9593\u9694\u3068\u5bfe\u7b56\u3092\u307e\u3068\u3081\u305f\u3082\u306e\u3067\u3042\u308a\u3001 <strong>\u30aa\u30ea\u30a8\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3<\/strong> \u660e\u78ba\u306a\u65b9\u91dd\u3092\u3002.<\/p>\n\n<table>\n  <thead>\n    <tr>\n      <th>\u9375\u306e\u7a2e\u985e<\/th>\n      <th>\u4e00\u822c\u7684\u306a\u8010\u7528\u5e74\u6570<\/th>\n      <th>\u4e3b\u8981\u65bd\u7b56<\/th>\n      <th>\u5373\u6642\u5909\u66f4\u306e\u304d\u3063\u304b\u3051<\/th>\n    <\/tr>\n  <\/thead>\n  <tbody>\n    <tr>\n      <td>\u30bc\u30c3\u30c8\u30a8\u30b9\u30b1\u30fc<\/td>\n      <td>\u6570\u9031\u9593\u304b\u3089\u6570\u30f6\u6708<\/td>\n      <td>\u81ea\u52d5\u751f\u6210\u3001\u91cd\u8907\u516c\u958b\u3001TTL\uff0b\u30ea\u30b6\u30fc\u30d6\u3001\u5207\u308a\u66ff\u3048\u3001Alt\u30ad\u30fc\u306e\u524a\u9664<\/td>\n      <td>\u4e0d\u5be9\u306a\u30ed\u30b0\u3001\u60c5\u5831\u6f0f\u6d29\u306e\u7591\u3044\u3001\u8a2d\u5b9a\u30df\u30b9\u3001\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u66f4\u65b0<\/td>\n    <\/tr>\n    <tr>\n      <td>KSK<\/td>\n      <td>12\uff5e24\u30f6\u6708<\/td>\n      <td>\u8a08\u753b\u7684\u306a\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u3001\u30ec\u30b8\u30b9\u30c8\u30ea\u3067\u306eDS\u66f4\u65b0\u3001\u8907\u6570\u306eDS\u30ec\u30b3\u30fc\u30c9\u304c\u5b58\u5728\u3059\u308b\u79fb\u884c\u671f\u9593<\/td>\n      <td>\u9375\u306e\u4fb5\u5bb3\u3001\u30dd\u30ea\u30b7\u30fc\u5909\u66f4\u3001\u6697\u53f7\u8cc7\u7523\u306e\u8a55\u4fa1<\/td>\n    <\/tr>\n    <tr>\n      <td>TTL\/RRSIG<\/td>\n      <td>\u30dd\u30ea\u30b7\u30fc\u306b\u4f9d\u5b58\u3059\u308b<\/td>\n      <td>\u9069\u5ea6\u306aTTL\u3001\u518d\u9001\u4fe1\u30a6\u30a3\u30f3\u30c9\u30a6\u3001\u6709\u52b9\u671f\u9593\u306e\u76e3\u8996<\/td>\n      <td>\u3088\u304f\u3042\u308b\u691c\u8a3c\u30a8\u30e9\u30fc\u3001\u76ee\u7acb\u3064\u9045\u5ef6\u3001\u30ea\u30be\u30eb\u30d0\u30fc\u7d71\u8a08\u306b\u304a\u3051\u308b\u5916\u308c\u5024<\/td>\n    <\/tr>\n  <\/tbody>\n<\/table>\n\n<h2>KSK\u306e\u5927\u5e45\u306a\u5237\u65b0\uff1aDS\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3001\u79fb\u884c\u671f\u9593\u3001\u4fdd\u8b77\u8005\u5411\u3051\u30a8\u30ea\u30a2<\/h2>\n<p>\u6642\u70b9\u3067\u306f <strong>KSK\u30ed\u30fc\u30eb\u30aa\u30fc\u30d0\u30fc<\/strong> \u79c1\u306f\u7279\u306b\u614e\u91cd\u306b\u8a08\u753b\u3092\u7acb\u3066\u3066\u3044\u307e\u3059\u3002\u307e\u305a\u3001\u65b0\u3057\u3044KSK\u3092\u8ffd\u52a0\u306eDNSKEY\uff08\u30d7\u30ec\u30d1\u30d6\u30ea\u30c3\u30b7\u30e5\uff09\u3068\u3057\u3066\u516c\u958b\u3057\u3001\u30be\u30fc\u30f3\u5185\u306b\u8907\u6570\u306eDNSKEY\u306eTTL\u5206\u3068\u4f59\u88d5\u671f\u9593\u5206\u3092\u6b8b\u3057\u3066\u304a\u304d\u307e\u3059\u3002\u305d\u306e\u5f8c\u3067\u521d\u3081\u3066\u3001\u65b0\u3057\u3044KSK\u3092\u4f7f\u3063\u3066DNSKEY\u30bb\u30c3\u30c8\u306b\u8ffd\u52a0\u3067\u7f72\u540d\uff08\u4e8c\u91cd\u7f72\u540d\uff09\u3092\u884c\u3044\u3001 <strong>DS\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8<\/strong> \u89aa\u30be\u30fc\u30f3\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002\u65b0\u3057\u3044DS\u304c\u4f1d\u64ad\u3055\u308c\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u78ba\u5b9f\u306b\u305d\u308c\u3092\u4fdd\u6301\u3059\u308b\u3088\u3046\u306b\u306a\u308b\u307e\u3067\u3001\u79c1\u306f\u4e21\u65b9\u306eKSK\u3092\u30be\u30fc\u30f3\u5185\u3067\u6709\u52b9\u306a\u72b6\u614b\u306b\u4fdd\u3061\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u72b6\u614b\u306b\u304b\u304b\u308f\u3089\u305a\u3001\u3059\u3079\u3066\u306e\u30ea\u30be\u30eb\u30d0\u30fc\u304c\u30c1\u30a7\u30fc\u30f3\u3092\u691c\u8a3c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002 \u79fb\u884c\u671f\u9593\u4e2d\u306f\u3001\u30ec\u30b8\u30b9\u30c8\u30ea\u304c\u8907\u6570\u306eDS\u30a8\u30f3\u30c8\u30ea\u3092\u8a31\u53ef\u3057\u3066\u3044\u308b\u9650\u308a\u3001\u53e4\u3044DS\u3092\u4e26\u884c\u3057\u3066\u5b58\u7d9a\u3055\u305b\u305f\u307e\u307e\u306b\u3057\u3001\u305d\u306e\u5f8c\u3001\u53e4\u3044KSK\u3068\u3068\u3082\u306b\u6bb5\u968e\u7684\u306b\u524a\u9664\u3057\u307e\u3059\u3002.<\/p>\n<p>\u30ec\u30b8\u30b9\u30c8\u30ea\u304a\u3088\u3073TLD\u30aa\u30da\u30ec\u30fc\u30bf\u30fc\u5074\u306e\u9045\u5ef6\u3092\u8003\u616e\u306b\u5165\u308c\u3066\u3044\u307e\u3059\u3002DS\u306e\u63d0\u51fa\u304b\u3089\u89aa\u30be\u30fc\u30f3\u3078\u306e\u516c\u958b\u3001\u305d\u3057\u3066\u30b0\u30ed\u30fc\u30d0\u30eb\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u98fd\u548c\u306b\u81f3\u308b\u307e\u3067\u306b\u306f\u3001\u5c11\u306a\u304f\u3068\u30821\u3064\u306eDS TTL\u5206\u3068\u30d0\u30c3\u30d5\u30a1\u5206\u306e\u6642\u9593\u304c\u7d4c\u904e\u3057\u307e\u3059\u3002 \u305d\u306e\u305f\u3081\u3001\u79c1\u306e\u30dd\u30ea\u30b7\u30fc\u3067\u306f\u3001\u3059\u3079\u3066\u306e\u6761\u4ef6\uff08\u65b0\u3057\u3044DS\u304c\u78ba\u8a8d\u3067\u304d\u308b\u3053\u3068\u3001\u53e4\u3044DS\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u671f\u9650\u5207\u308c\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u3001\u5916\u90e8\u30c6\u30b9\u30c8\u3067\u306e\u691c\u8a3c\u304c\u5b89\u5b9a\u3057\u3066\u3044\u308b\u3053\u3068\uff09\u304c\u6e80\u305f\u3055\u308c\u308b\u307e\u3067\u306f\u3001\u53e4\u3044KSK\u3092\u524a\u9664\u3057\u306a\u3044\u3053\u3068\u3092\u5b9a\u3081\u3066\u3044\u307e\u3059\u3002\u53ef\u80fd\u306a\u9650\u308a\u3001\u79c1\u306f <strong>CDS\/CDNSKEY<\/strong> \u79c1\u306e\u7ba1\u7406\u7bc4\u56f2\u5185\u3067\u3001DS\u306e\u8abf\u6574\u3092\u6a19\u6e96\u5316\u3055\u308c\u305f\u5f62\u5f0f\u3067\u901a\u77e5\u3057\u3001\u4e92\u63db\u6027\u306e\u3042\u308b\u30ec\u30b8\u30b9\u30c8\u30ea\u306b\u3088\u3063\u3066\u81ea\u52d5\u5316\u3055\u308c\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u3053\u306e\u81ea\u52d5\u5316\u30d7\u30ed\u30bb\u30b9\u3067\u306f\u3001\u65e5\u6642\u3001\u30cf\u30c3\u30b7\u30e5\u30bf\u30a4\u30d7\u3001\u30b9\u30c6\u30fc\u30bf\u30b9\u304c\u8a18\u9332\u3055\u308c\u308b\u305f\u3081\u3001\u76e3\u67fb\u6642\u306b\u4e00\u9023\u306e\u6d41\u308c\u3092\u5b8c\u5168\u306b\u8ffd\u8de1\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002.<\/p>\n\n<h2>\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u5207\u308a\u66ff\u3048\u3092\u30b9\u30e0\u30fc\u30ba\u306b\u884c\u3046<\/h2>\n<p>A <strong>\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u30fb\u30ed\u30fc\u30eb\u30aa\u30fc\u30d0\u30fc<\/strong> 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\u3053\u306e\u300c\u4e8c\u91cd\u7f72\u540d\u300d\u30d5\u30a7\u30fc\u30ba\u306b\u3064\u3044\u3066\u306f\u3001\u4e00\u90e8\u306e\u30ea\u30be\u30eb\u30d0\u3084\u4e2d\u9593\u30a4\u30f3\u30d5\u30e9\u306e\u975e\u4e92\u63db\u6027\u3092\u88dc\u3046\u305f\u3081\u3001\u5341\u5206\u306a\u4f59\u88d5\u3092\u6301\u3063\u3066\u8a08\u753b\u3057\u307e\u3059\u3002.<\/p>\n\n<h2>NSEC\/NSEC3\u3001\u30aa\u30d7\u30c8\u30a2\u30a6\u30c8\u3001\u304a\u3088\u3073\u30bd\u30eb\u30c8\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3<\/h2>\n<p>\u306b\u3064\u3044\u3066\u306f <strong>\u5b58\u5728\u306e\u5426\u5b9a<\/strong> \u79c1\u306fNSEC\u3068NSEC3\u3092\u614e\u91cd\u306b\u6bd4\u8f03\u691c\u8a0e\u3057\u3066\u3044\u307e\u3059\u3002NSEC\u306f\u30b7\u30f3\u30d7\u30eb\u3067\u9ad8\u6027\u80fd\u3067\u3059\u304c\u3001\u30be\u30fc\u30f3\u30a6\u30a9\u30fc\u30ad\u30f3\u30b0\u3092\u8a31\u5bb9\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002 NSEC3\u306f\u30cf\u30c3\u30b7\u30e5\u5316\u3068\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u30aa\u30d7\u30c8\u30a2\u30a6\u30c8\u306b\u3088\u3063\u3066\u3053\u308c\u3092\u56f0\u96e3\u306b\u3057\u3001\u591a\u304f\u306e\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u304c\u59d4\u4efb\u3055\u308c\u3066\u3044\u308b\u30be\u30fc\u30f3\uff08\u4f8b\uff1a\u5927\u898f\u6a21\u306a\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u30be\u30fc\u30f3\uff09\u306b\u304a\u3044\u3066\u3001\u8ca0\u8377\u3068\u30be\u30fc\u30f3\u30b5\u30a4\u30ba\u3092\u524a\u6e1b\u3057\u307e\u3059\u3002\u79c1\u306f\u9069\u5207\u306a <strong>\u53cd\u5fa9<\/strong> \u305d\u3057\u3066\u3001\u305d\u308c\u3092\u56de\u8ee2\u3055\u305b\u3066 <strong>\u30bd\u30eb\u30c8<\/strong> \u30cf\u30c3\u30b7\u30e5\u304c\u9577\u671f\u7684\u306b\u7279\u5b9a\u3055\u308c\u306a\u3044\u3088\u3046\u306b\u3001\u5b9a\u671f\u7684\u306b\u66f4\u65b0\u3057\u307e\u3059\u3002\u91cd\u8981\uff1aNSEC3PARAM\u306e\u5024\u306f\u30dd\u30ea\u30b7\u30fc\u306b\u660e\u8a18\u3057\u3001\u7ba1\u7406\u3055\u308c\u305f\u74b0\u5883\u4e0b\u3067\u306e\u307f\u8abf\u6574\u3057\u307e\u3059\u3002\u5909\u66f4\u3092\u884c\u3046\u969b\u306f\u3001\u9069\u5207\u306b\u518d\u7f72\u540d\u3092\u884c\u3044\u3001\u30ea\u30be\u30eb\u30d0\u30fc\u306e\u6319\u52d5\u3092\u76e3\u8996\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n<h2>\u30c0\u30a6\u30f3\u30bf\u30a4\u30e0\u306a\u3057\u3067\u306e\u30de\u30eb\u30c1\u30b7\u30b0\u30ca\u30fc\u304a\u3088\u3073\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306e\u5909\u66f4<\/h2>\n<p>\u79fb\u884c\u30b7\u30ca\u30ea\u30aa\u3084\u5197\u9577\u5316\u306b\u3064\u3044\u3066\u306f\u3001\u79c1\u306f\u4ee5\u4e0b\u3092\u63a1\u7528\u3057\u3066\u3044\u307e\u3059 <strong>\u30de\u30eb\u30c1\u30b7\u30b0\u30ca\u30fcDNSSEC<\/strong>. \u3002\u4e21\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306f\u305d\u308c\u305e\u308c\u306e\u9375\u30bb\u30c3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u540c\u3058\u30be\u30fc\u30f3\u306b\u7f72\u540d\u3057\u3001\u516c\u958b\u3055\u308c\u305fDNSKEY\u30bb\u30c3\u30c8\u306b\u306f\u53cc\u65b9\u306e\u516c\u958b\u9375\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u89aa\u30be\u30fc\u30f3\u306b\u306f\u4e00\u6642\u7684\u306b <strong>\u8907\u6570\u306eDS\u30ec\u30b3\u30fc\u30c9<\/strong>, \u3001\u3053\u308c\u3089\u4e21\u65b9\u306eKSK\u3092\u30ab\u30d0\u30fc\u3059\u308b\u3082\u306e\u3067\u3059\u3002 \u6a29\u5a01\u3042\u308b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u5207\u308a\u66ff\u3048\uff08NS\u66f4\u65b0\u3084Anycast\u8abf\u6574\u306a\u3069\uff09\u306f\u3001\u7f72\u540d\u3068DS\u30c1\u30a7\u30fc\u30f3\u304c\u6574\u5408\u3057\u305f\u6642\u70b9\u3067\u884c\u308f\u308c\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u53e4\u3044\u9375\u3068DS\u30a8\u30f3\u30c8\u30ea\u3092\u6bb5\u968e\u7684\u306b\u524a\u9664\u3057\u307e\u3059\u3002\u3053\u306e\u65b9\u6cd5\u306b\u3088\u308a\u3001\u307b\u307c <strong>\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306e\u4e57\u308a\u63db\u3048\u3092\u4e2d\u65ad\u3059\u308b\u3053\u3068\u306a\u304f<\/strong>, \u306a\u305c\u306a\u3089\u3001\u5404\u30ea\u30be\u30eb\u30d0\u30fc\u306f\u3001\u5c11\u306a\u304f\u3068\u30821\u4eba\u306e\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u7f72\u540d\u8005\u306b\u5bfe\u3059\u308b\u4fe1\u983c\u30c1\u30a7\u30fc\u30f3\u3092\u5b8c\u5168\u306b\u691c\u8a3c\u3067\u304d\u308b\u304b\u3089\u3067\u3059\u3002.<\/p>\n\n<h2>\u30e9\u30f3\u30d6\u30c3\u30af\u3001\u6642\u9593\u30d1\u30e9\u30e1\u30fc\u30bf\u3001\u304a\u3088\u3073\u5b9f\u8a3c\u6e08\u307f\u306e\u6a19\u6e96\u5024<\/h2>\n<p>\u6301\u3063\u3066\u3044\u308b <strong>\u30e9\u30f3\u30d6\u30c3\u30af\u30b9<\/strong> \u5404\u9375\u3054\u3068\u306b\u660e\u78ba\u306a\u72b6\u614b\uff08Generate \u2192 Publish \u2192 Activate \u2192 Retire \u2192 Remove\uff09\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u5404\u9077\u79fb\u306b\u3064\u3044\u3066\u3001\u56fa\u5b9a\u306e\u5f85\u6a5f\u6642\u9593\u3068\u6761\u4ef6\uff08\u6e2c\u5b9a\u5024\u3001\u30ed\u30b0\u3001\u5916\u90e8\u30c1\u30a7\u30c3\u30af\uff09\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002 \u5b9f\u7e3e\u306e\u3042\u308b\u521d\u671f\u8a2d\u5b9a\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1aDNSKEY TTL 3600\uff5e7200\u79d2\u3001\u30be\u30fc\u30f3TTL 300\uff5e1800\u79d2\u3001RRSIG\u6709\u52b9\u671f\u9593 7\uff5e14\u65e5\u3001\u518d\u7f72\u540d\u30a6\u30a3\u30f3\u30c9\u30a6\u306f\u671f\u9650\u5207\u308c\u306e2\uff5e5\u65e5\u524d\u3001 \u7f72\u540d\u306e\u6709\u52b9\u671f\u9650\u304c\u540c\u671f\u3057\u306a\u3044\u3088\u3046\u306b\u3001\u30b8\u30c3\u30bf\u30fc\u3092\u00b110\uff5e20 %\u306b\u8a2d\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002ZSK\u30ed\u30fc\u30eb\u30aa\u30fc\u30d0\u30fc\u306e\u969b\u306f\u3001\u300cPublish Safety\u300d\u3068\u3057\u3066\u5c11\u306a\u304f\u3068\u30821\u3064\u306eDNSKEY TTL\u5206\u3092\u78ba\u4fdd\u3057\u3066\u3044\u307e\u3059\u3002 \u300cRetire\u300d\u306b\u3064\u3044\u3066\u306f\u3001\u3059\u3079\u3066\u306e\u53e4\u3044RRSIG\u304c\u4ee3\u66ff\u306a\u3057\u306b\u671f\u9650\u5207\u308c\u306b\u306a\u308b\u307e\u3067\u5f85\u3061\u3001\u3055\u3089\u306b1\uff5e2\u30be\u30fc\u30f3TTL\u5206\u306e\u4f59\u88d5\u3092\u6301\u305f\u305b\u307e\u3059\u3002KSK\u306b\u3064\u3044\u3066\u306f\u3001DS\u30d7\u30ed\u30d1\u30b2\u30fc\u30b7\u30e7\u30f3\u3068\u89aaTTL\u304c\u52a0\u308f\u308b\u305f\u3081\u3001\u3088\u308a\u9577\u3044\u5b89\u5168\u671f\u9593\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002.<\/p>\n\n<h2>\u7dca\u6025\u6642\u304a\u3088\u3073\u59a5\u5354\u6848\u306e\u30b7\u30ca\u30ea\u30aa<\/h2>\n<p>\u6642\u70b9\u3067\u306f <strong>\u9375\u306e\u6f0f\u6d29<\/strong> \u300c\u30b9\u30d4\u30fc\u30c9\u304c\u512a\u96c5\u3055\u3088\u308a\u512a\u5148\u3055\u308c\u308b\u300d\u3068\u3044\u3046\u539f\u5247\u306b\u5f93\u3046\u3002\u76f4\u3061\u306b\u65b0\u3057\u3044\u9375\u3092\u751f\u6210\u3057\u3001\u516c\u958b\u30fb\u6709\u52b9\u5316\u3059\u308b\u3068\u3068\u3082\u306b\u3001\u30be\u30fc\u30f3\u306e\u518d\u7f72\u540d\u3092\u884c\u3044\u3001\u76f4\u3061\u306bDS\u306e\u66f4\u65b0\u3092\u8981\u6c42\u3059\u308b\uff08\u3042\u308b\u3044\u306f\u65b0\u3057\u3044CDS\/CDNSKEY\u3092\u516c\u958b\u3059\u308b\uff09\u3002\u4e26\u884c\u3057\u3066\u3001 <strong>\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u9023\u9396<\/strong> \u30ec\u30b8\u30b9\u30c8\u30ea\u3001TLD\u30aa\u30da\u30ec\u30fc\u30bf\u30fc\u3001\u304a\u3088\u3073\u4e3b\u8981\u306a\u30b9\u30c6\u30fc\u30af\u30db\u30eb\u30c0\u30fc\u3068\u306e\u8abf\u6574\u3092\u884c\u3044\u307e\u3059\u3002\u30e9\u30f3\u30d6\u30c3\u30af\u3067\u306f\u3001\u8ab0\u304c\u6c7a\u5b9a\u3057\u3001\u8ab0\u304c\u7f72\u540d\u3057\u3001\u8ab0\u304c\u627f\u8a8d\u3059\u308b\u304b\u3001\u305d\u3057\u3066\u691c\u8a3c\u3092\u3069\u306e\u3088\u3046\u306b\u8a18\u9332\u3059\u308b\u304b\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002 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<strong>RRSIG<\/strong>\u2015\u671f\u9593\uff08\u958b\u59cb\uff0f\u6e80\u4e86\uff09\u3001\u6b63\u3057\u3044\u30bb\u30c3\u30c8\u306e <strong>NSEC\/NSEC3<\/strong>\u2015\u30c1\u30a7\u30fc\u30f3\u3092\u78ba\u8a8d\u3057\u3001\u5426\u5b9a\u5fdc\u7b54\uff08\u6709\u52b9\u306aDenial\u30b7\u30b0\u30cd\u30c1\u30e3\u3092\u6301\u3064NXDOMAIN\uff09\u306b\u6ce8\u76ee\u3059\u308b\u3002 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<strong>\u30a4\u30fc\u30b7\u30fc\u30c7\u30a3\u30fc\u30a8\u30b9\u30a8\u30fc<\/strong> \u7f72\u540d\u306e\u9577\u3055\u3092\u77ed\u7e2e\u3057\u3001\u305d\u308c\u306b\u3088\u3063\u3066UDP\u5fdc\u7b54\u304c\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u5316\u3055\u308c\u308b\u53ef\u80fd\u6027\u3092\u4f4e\u6e1b\u3057\u307e\u3059\u3002\u518d\u691c\u8a3c\u306e\u56de\u6570\u3092\u6291\u3048\u308b\u305f\u3081\u3001\u9069\u5ea6\u306aTTL\u3092\u8a2d\u5b9a\u3057\u3001\u5b9f\u904b\u7528\u3067\u5b89\u5b9a\u3057\u3066\u6a5f\u80fd\u3059\u308bEDNS\u30d0\u30c3\u30d5\u30a1\u30b5\u30a4\u30ba\u3092\u6709\u52b9\u306b\u3057\u307e\u3059\u3002 UDP\u306e\u5207\u308a\u6368\u3066\u304c\u767a\u751f\u3059\u308b\u5834\u6240\u3067\u306f\u3001TCP\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u3084\u6700\u65b0\u306e\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u30d7\u30ed\u30c8\u30b3\u30eb\uff08DoT\/DoH\uff09\u304c\u6a5f\u80fd\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002 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