{"id":476955,"date":"2023-08-09T09:05:36","date_gmt":"2023-08-09T09:05:36","guid":{"rendered":""},"modified":"2023-09-05T11:13:45","modified_gmt":"2023-09-05T11:13:45","slug":"dnssec","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/jp\/wiki\/dnssec\/","title":{"rendered":"DNSSEC"},"content":{"rendered":"<p>DNSSEC \u306f Domain Name System Security Extensions \u306e\u7565\u3067\u3001DNS (\u30c9\u30e1\u30a4\u30f3 \u30cd\u30fc\u30e0 \u30b7\u30b9\u30c6\u30e0) \u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u8a2d\u8a08\u3055\u308c\u305f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3067\u3059\u3002DNSSEC \u306f\u3001\u767a\u4fe1\u5143\u3092\u691c\u8a3c\u3057\u3001\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3092\u78ba\u4fdd\u3059\u308b\u3053\u3068\u3067\u3001\u653b\u6483\u8005\u304c Web \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u4e0d\u6b63\u306a\u30b5\u30fc\u30d0\u30fc\u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3059\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b DNS \u30b9\u30d7\u30fc\u30d5\u30a3\u30f3\u30b0\u306a\u3069\u306e\u60aa\u610f\u306e\u3042\u308b\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3092\u9632\u6b62\u3057\u307e\u3059\u3002<\/p>\n<h2>DNSSEC\u306e\u6b74\u53f2\u3068\u8d77\u6e90<\/h2>\n<p>DNSSEC \u306e\u6982\u5ff5\u306f\u3001DNS \u30b9\u30d7\u30fc\u30d5\u30a3\u30f3\u30b0\u3084\u30ad\u30e3\u30c3\u30b7\u30e5 \u30dd\u30a4\u30ba\u30cb\u30f3\u30b0\u653b\u6483\u306e\u5897\u52a0\u3078\u306e\u5bfe\u5fdc\u3068\u3057\u3066\u30011990 \u5e74\u4ee3\u5f8c\u534a\u306b\u767b\u5834\u3057\u307e\u3057\u305f\u3002DNSSEC \u304c\u521d\u3081\u3066\u516c\u5f0f\u306b\u8a00\u53ca\u3055\u308c\u305f\u306e\u306f\u30011997 \u5e74\u306b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u6280\u8853\u30bf\u30b9\u30af \u30d5\u30a9\u30fc\u30b9 (IETF) \u304c\u5143\u306e DNSSEC \u4ed5\u69d8\u3092\u8a73\u8ff0\u3057\u305f RFC 2065 \u3092\u30ea\u30ea\u30fc\u30b9\u3057\u305f\u3068\u304d\u3067\u3059\u3002\u305d\u306e\u5f8c\u30012005 \u5e74 3 \u6708\u306b\u516c\u958b\u3055\u308c\u305f RFC 4033\u30014034\u30014035 \u3067\u6539\u826f\u304a\u3088\u3073\u66f4\u65b0\u3055\u308c\u3001\u73fe\u5728\u306e DNSSEC \u904b\u7528\u306e\u57fa\u790e\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u30c8\u30d4\u30c3\u30af\u306e\u62e1\u5f35: DNSSEC \u306e\u8a73\u7d30<\/h2>\n<p>DNSSEC \u306f\u3001DNS \u5fdc\u7b54\u306e\u8a8d\u8a3c\u3092\u53ef\u80fd\u306b\u3059\u308b\u3053\u3068\u3067\u3001\u5f93\u6765\u306e DNS \u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u3055\u3089\u306a\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5c64\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u516c\u958b\u9375\u6697\u53f7\u5316\u306b\u57fa\u3065\u304f\u30c7\u30b8\u30bf\u30eb\u7f72\u540d\u3092\u4f7f\u7528\u3057\u3066\u5b9f\u73fe\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u7f72\u540d\u306f DNS \u30c7\u30fc\u30bf\u306b\u542b\u307e\u308c\u3066\u304a\u308a\u3001\u305d\u306e\u4fe1\u983c\u6027\u3068\u6574\u5408\u6027\u3092\u691c\u8a3c\u3057\u3001\u30c7\u30fc\u30bf\u304c\u8ee2\u9001\u4e2d\u306b\u6539\u3056\u3093\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/p>\n<p>\u672c\u8cea\u7684\u306b\u3001DNSSEC \u306f\u3001DNS \u30b5\u30fc\u30d0\u30fc\u304b\u3089\u53d7\u4fe1\u3057\u305f DNS \u30c7\u30fc\u30bf\u304c\u6b63\u3057\u3044\u30c9\u30e1\u30a4\u30f3\u6240\u6709\u8005\u304b\u3089\u306e\u3082\u306e\u3067\u3042\u308a\u3001\u8ee2\u9001\u4e2d\u306b\u5909\u66f4\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u3092\u53d7\u4fe1\u8005\u304c\u78ba\u8a8d\u3059\u308b\u65b9\u6cd5\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001DNS \u30b9\u30d7\u30fc\u30d5\u30a3\u30f3\u30b0\u3084\u305d\u306e\u4ed6\u306e\u540c\u69d8\u306e\u653b\u6483\u304c\u4e00\u822c\u7684\u306b\u306a\u3063\u3066\u3044\u308b\u6642\u4ee3\u306b\u306f\u91cd\u8981\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3067\u3059\u3002<\/p>\n<h2>DNSSEC\u306e\u5185\u90e8\u69cb\u9020\u3068\u305d\u306e\u52d5\u4f5c<\/h2>\n<p>DNSSEC \u306f\u3001DNS \u30c7\u30fc\u30bf \u30ec\u30b3\u30fc\u30c9\u3092\u6697\u53f7\u30ad\u30fc\u3067\u30c7\u30b8\u30bf\u30eb\u7f72\u540d\u3059\u308b\u3053\u3068\u3067\u6a5f\u80fd\u3057\u3001\u30ea\u30be\u30eb\u30d0\u304c DNS \u5fdc\u7b54\u306e\u4fe1\u983c\u6027\u3092\u691c\u8a3c\u3059\u308b\u65b9\u6cd5\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002DNSSEC \u306e\u52d5\u4f5c\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u30b9\u30c6\u30c3\u30d7\u306b\u5206\u3051\u3089\u308c\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30be\u30fc\u30f3\u7f72\u540d<\/strong>\u3053\u306e\u30d5\u30a7\u30fc\u30ba\u3067\u306f\u3001DNS \u30be\u30fc\u30f3\u5185\u306e\u3059\u3079\u3066\u306e\u30ec\u30b3\u30fc\u30c9\u304c\u30be\u30fc\u30f3\u7f72\u540d\u30ad\u30fc (ZSK) \u3092\u4f7f\u7528\u3057\u3066\u7f72\u540d\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30ad\u30fc\u7f72\u540d<\/strong>: \u30ad\u30fc\u7f72\u540d\u30ad\u30fc (KSK) \u3068\u547c\u3070\u308c\u308b\u5225\u306e\u30ad\u30fc\u306f\u3001ZSK \u3092\u542b\u3080 DNSKEY \u30ec\u30b3\u30fc\u30c9\u306b\u7f72\u540d\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u59d4\u4efb\u7f72\u540d\u8005 (DS) \u30ec\u30b3\u30fc\u30c9\u306e\u751f\u6210<\/strong>: KSK \u306e\u30cf\u30c3\u30b7\u30e5 \u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3042\u308b DS \u30ec\u30b3\u30fc\u30c9\u304c\u751f\u6210\u3055\u308c\u3001\u89aa\u30be\u30fc\u30f3\u306b\u914d\u7f6e\u3055\u308c\u3066\u4fe1\u983c\u30c1\u30a7\u30fc\u30f3\u304c\u78ba\u7acb\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u691c\u8a3c<\/strong>\u30ea\u30be\u30eb\u30d0\u306f DNS \u5fdc\u7b54\u3092\u53d7\u4fe1\u3059\u308b\u3068\u3001\u4fe1\u983c\u30c1\u30a7\u30fc\u30f3\u3092\u4f7f\u7528\u3057\u3066\u7f72\u540d\u3092\u691c\u8a3c\u3057\u3001DNS \u30c7\u30fc\u30bf\u306e\u4fe1\u983c\u6027\u3068\u6574\u5408\u6027\u3092\u78ba\u4fdd\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>DNSSEC\u306e\u4e3b\u306a\u7279\u5fb4<\/h2>\n<p>DNSSEC \u306e\u4e3b\u306a\u6a5f\u80fd\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li>\n<p><strong>\u30c7\u30fc\u30bf\u767a\u4fe1\u5143\u8a8d\u8a3c<\/strong>DNSSEC \u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30ea\u30be\u30eb\u30d0\u306f\u53d7\u4fe1\u3057\u305f\u30c7\u30fc\u30bf\u304c\u5b9f\u969b\u306b\u63a5\u7d9a\u3057\u305f\u30c9\u30e1\u30a4\u30f3\u304b\u3089\u306e\u3082\u306e\u3067\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30c7\u30fc\u30bf\u6574\u5408\u6027\u4fdd\u8b77<\/strong>DNSSEC \u306f\u3001\u8ee2\u9001\u4e2d\u306b\u30c7\u30fc\u30bf\u304c\u5909\u66f4\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u3001\u30ad\u30e3\u30c3\u30b7\u30e5 \u30dd\u30a4\u30ba\u30cb\u30f3\u30b0\u306a\u3069\u306e\u653b\u6483\u304b\u3089\u4fdd\u8b77\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u4fe1\u983c\u306e\u9023\u9396<\/strong>DNSSEC \u306f\u3001\u30eb\u30fc\u30c8 \u30be\u30fc\u30f3\u304b\u3089\u30af\u30a8\u30ea\u3055\u308c\u305f DNS \u30ec\u30b3\u30fc\u30c9\u307e\u3067\u306e\u4fe1\u983c\u30c1\u30a7\u30fc\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3001\u30c7\u30fc\u30bf\u306e\u4fe1\u983c\u6027\u3068\u6574\u5408\u6027\u3092\u78ba\u4fdd\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>DNSSEC\u306e\u7a2e\u985e<\/h2>\n<p>DNSSEC \u306f\u3001\u6b21\u306e 2 \u7a2e\u985e\u306e\u6697\u53f7\u5316\u30ad\u30fc\u3092\u4f7f\u7528\u3057\u3066\u5b9f\u88c5\u3055\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li>\n<p><strong>\u30be\u30fc\u30f3\u7f72\u540d\u30ad\u30fc (ZSK)<\/strong>ZSK \u306f DNS \u30be\u30fc\u30f3\u5185\u306e\u3059\u3079\u3066\u306e\u30ec\u30b3\u30fc\u30c9\u306b\u7f72\u540d\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u9375\u7f72\u540d\u9375 (KSK)<\/strong>KSK \u306f\u3001DNSKEY \u30ec\u30b3\u30fc\u30c9\u81ea\u4f53\u306b\u7f72\u540d\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u3001\u3088\u308a\u5b89\u5168\u306a\u30ad\u30fc\u3067\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u306e\u5404\u30ad\u30fc\u306f\u3001DNSSEC \u306e\u5168\u4f53\u7684\u306a\u6a5f\u80fd\u306b\u304a\u3044\u3066\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u30ad\u30fc\u30bf\u30a4\u30d7<\/th>\n<th>\u4f7f\u7528<\/th>\n<th>\u56de\u8ee2\u306e\u983b\u5ea6<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u30bc\u30b9\u30af<\/td>\n<td>\u30be\u30fc\u30f3\u5185\u306eDNS\u30ec\u30b3\u30fc\u30c9\u306b\u7f72\u540d\u3059\u308b<\/td>\n<td>\u983b\u7e41\u306b\uff08\u4f8b\uff1a\u6bce\u6708\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u97d3\u56fd<\/td>\n<td>DNSKEY\u30ec\u30b3\u30fc\u30c9\u306b\u7f72\u540d\u3059\u308b<\/td>\n<td>\u307e\u308c\u306b\uff08\u4f8b\uff1a\u5e74\u306b1\u56de\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>DNSSEC \u306e\u4f7f\u7528: \u3088\u304f\u3042\u308b\u554f\u984c\u3068\u89e3\u6c7a\u7b56<\/h2>\n<p>DNSSEC \u306e\u5b9f\u88c5\u306b\u306f\u3001\u30ad\u30fc\u7ba1\u7406\u306e\u8907\u96d1\u3055\u3084 DNS \u5fdc\u7b54\u30b5\u30a4\u30ba\u306e\u5897\u52a0\u306a\u3069\u3001\u3044\u304f\u3064\u304b\u306e\u8ab2\u984c\u304c\u4f34\u3046\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u3053\u308c\u3089\u306e\u554f\u984c\u306b\u5bfe\u3059\u308b\u89e3\u6c7a\u7b56\u306f\u5b58\u5728\u3057\u307e\u3059\u3002\u30ad\u30fc\u7ba1\u7406\u3068\u30ed\u30fc\u30eb\u30aa\u30fc\u30d0\u30fc \u30d7\u30ed\u30bb\u30b9\u306b\u306f\u81ea\u52d5\u5316\u30b7\u30b9\u30c6\u30e0\u3092\u4f7f\u7528\u3067\u304d\u3001EDNS0 (DNS \u306e\u62e1\u5f35\u30e1\u30ab\u30cb\u30ba\u30e0) \u306a\u3069\u306e\u62e1\u5f35\u6a5f\u80fd\u306f\u3001\u3088\u308a\u5927\u304d\u306a DNS \u5fdc\u7b54\u306e\u51e6\u7406\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<p>\u3082\u3046 1 \u3064\u306e\u4e00\u822c\u7684\u306a\u554f\u984c\u306f\u3001DNSSEC \u304c\u5e83\u304f\u63a1\u7528\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u3067\u3001\u4fe1\u983c\u30c1\u30a7\u30fc\u30f3\u304c\u4e0d\u5b8c\u5168\u306b\u306a\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u306e\u554f\u984c\u306f\u3001\u3059\u3079\u3066\u306e\u30c9\u30e1\u30a4\u30f3\u3068 DNS \u30ea\u30be\u30eb\u30d0\u30fc\u306b DNSSEC \u3092\u5e83\u304f\u5b9f\u88c5\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u306e\u307f\u89e3\u6c7a\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>DNSSEC\u3068\u985e\u4f3c\u6280\u8853\u306e\u6bd4\u8f03<\/h2>\n<table>\n<thead>\n<tr>\n<th><\/th>\n<th>DNSSEC<\/th>\n<th>DNS over HTTPS (DoH)<\/th>\n<th>DNS over TLS (DoT)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3092\u78ba\u4fdd<\/td>\n<td>\u306f\u3044<\/td>\n<td>\u3044\u3044\u3048<\/td>\n<td>\u3044\u3044\u3048<\/td>\n<\/tr>\n<tr>\n<td>\u30c7\u30fc\u30bf\u3092\u6697\u53f7\u5316\u3059\u308b<\/td>\n<td>\u3044\u3044\u3048<\/td>\n<td>\u306f\u3044<\/td>\n<td>\u306f\u3044<\/td>\n<\/tr>\n<tr>\n<td>\u516c\u958b\u9375\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u304c\u5fc5\u8981<\/td>\n<td>\u306f\u3044<\/td>\n<td>\u3044\u3044\u3048<\/td>\n<td>\u3044\u3044\u3048<\/td>\n<\/tr>\n<tr>\n<td>DNS\u30b9\u30d7\u30fc\u30d5\u30a3\u30f3\u30b0\u304b\u3089\u4fdd\u8b77<\/td>\n<td>\u306f\u3044<\/td>\n<td>\u3044\u3044\u3048<\/td>\n<td>\u3044\u3044\u3048<\/td>\n<\/tr>\n<tr>\n<td>\u5e45\u5e83\u3044\u63a1\u7528<\/td>\n<td>\u90e8\u5206\u7684<\/td>\n<td>\u6210\u9577\u4e2d<\/td>\n<td>\u6210\u9577\u4e2d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>DoH \u3068 DoT \u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u6697\u53f7\u5316\u3055\u308c\u305f\u901a\u4fe1\u3092\u63d0\u4f9b\u3057\u307e\u3059\u304c\u3001DNS \u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3092\u4fdd\u8a3c\u3057\u3001DNS \u30b9\u30d7\u30fc\u30d5\u30a3\u30f3\u30b0\u304b\u3089\u4fdd\u8b77\u3067\u304d\u308b\u306e\u306f DNSSEC \u3060\u3051\u3067\u3059\u3002<\/p>\n<h2>DNSSEC\u306b\u95a2\u3059\u308b\u4eca\u5f8c\u306e\u5c55\u671b\u3068\u6280\u8853<\/h2>\n<p>Web \u304c\u9032\u5316\u3057\u7d9a\u3051\u3001\u30b5\u30a4\u30d0\u30fc\u8105\u5a01\u304c\u3088\u308a\u9ad8\u5ea6\u5316\u3059\u308b\u4e2d\u3001DNSSEC \u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u91cd\u8981\u306a\u8981\u7d20\u3067\u3042\u308a\u7d9a\u3051\u307e\u3059\u3002DNSSEC \u306e\u4eca\u5f8c\u306e\u6a5f\u80fd\u5f37\u5316\u306b\u306f\u3001\u7c21\u7d20\u5316\u3055\u308c\u305f\u30ad\u30fc\u7ba1\u7406\u3068\u81ea\u52d5\u30ed\u30fc\u30eb\u30aa\u30fc\u30d0\u30fc \u30e1\u30ab\u30cb\u30ba\u30e0\u3001\u81ea\u52d5\u5316\u306e\u5f37\u5316\u3001\u4ed6\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u306e\u7d71\u5408\u306e\u6539\u5584\u306a\u3069\u304c\u542b\u307e\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u56fa\u6709\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u5206\u6563\u5316\u306e\u6027\u8cea\u3092\u5099\u3048\u305f\u30d6\u30ed\u30c3\u30af\u30c1\u30a7\u30fc\u30f3\u6280\u8853\u306f\u3001DNSSEC \u3068\u5168\u4f53\u7684\u306a DNS \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3059\u308b\u305f\u3081\u306e\u6f5c\u5728\u7684\u306a\u624b\u6bb5\u3068\u3057\u3066\u3082\u691c\u8a0e\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u30d7\u30ed\u30ad\u30b7\u30b5\u30fc\u30d0\u30fc\u3068DNSSEC<\/h2>\n<p>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u306e\u9593\u306e\u4ef2\u4ecb\u5f79\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u4ee3\u308f\u3063\u3066 Web \u30b5\u30fc\u30d3\u30b9\u306b\u5bfe\u3059\u308b\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u8981\u6c42\u3092\u8ee2\u9001\u3057\u307e\u3059\u3002\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f DNSSEC \u3068\u76f4\u63a5\u3084\u308a\u53d6\u308a\u3057\u307e\u305b\u3093\u304c\u3001DNSSEC \u5bfe\u5fdc\u306e DNS \u30ea\u30be\u30eb\u30d0\u30fc\u3092\u4f7f\u7528\u3059\u308b\u3088\u3046\u306b\u69cb\u6210\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u304c\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u8ee2\u9001\u3059\u308b DNS \u5fdc\u7b54\u304c\u691c\u8a3c\u3055\u308c\u3001\u5b89\u5168\u3067\u3042\u308b\u3053\u3068\u304c\u4fdd\u8a3c\u3055\u308c\u3001\u30c7\u30fc\u30bf\u306e\u5168\u4f53\u7684\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u5f37\u5316\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>OneProxy \u306e\u3088\u3046\u306a\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u7279\u306b DNSSEC \u306e\u3088\u3046\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3068\u3001\u3088\u308a\u5b89\u5168\u3067\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u306a\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3092\u5b9f\u73fe\u3059\u308b\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306e\u4e00\u90e8\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2>\u95a2\u9023\u30ea\u30f3\u30af<\/h2>\n<p>DNSSEC \u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001\u6b21\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ol>\n<li>\n<p><a href=\"https:\/\/www.icann.org\/resources\/pages\/dnssec-what-is-it-why-important-2019-03-05-en\" target=\"_new\" rel=\"noopener nofollow\">\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30cd\u30fc\u30e0\u3068\u756a\u53f7\u306e\u5272\u308a\u5f53\u3066\u306e\u305f\u3081\u306e\u5354\u4f1a (ICANN)<\/a><\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/www.ietf.org\/rfc\/rfc4033.txt\" target=\"_new\" rel=\"noopener nofollow\">\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0 \u30bf\u30b9\u30af \u30d5\u30a9\u30fc\u30b9 (IETF)<\/a><\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/www.dnssec-deployment.org\/\" target=\"_new\" rel=\"noopener nofollow\">DNSSEC\u5c0e\u5165\u30a4\u30cb\u30b7\u30a2\u30c1\u30d6<\/a><\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/www.verisign.com\/en_US\/domain-names\/dnssec\/index.xhtml\" target=\"_new\" rel=\"noopener nofollow\">Verisign \u2013 DNSSEC \u306e\u8aac\u660e<\/a><\/p>\n<\/li>\n<\/ol>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f DNSSEC \u306e\u5305\u62ec\u7684\u306a\u6982\u8981\u3092\u8aac\u660e\u3057\u307e\u3059\u304c\u3001\u3042\u3089\u3086\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3068\u540c\u69d8\u306b\u3001\u6700\u65b0\u306e\u958b\u767a\u72b6\u6cc1\u3068\u30d9\u30b9\u30c8 \u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u5e38\u306b\u628a\u63e1\u3057\u3066\u304a\u304f\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>","protected":false},"featured_media":476956,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476955","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>DNSSEC: A Comprehensive Guide to Domain Name System Security Extensions<\/mark>","faq_items":[{"question":"What is DNSSEC?","answer":"<p>DNSSEC, short for Domain Name System Security Extensions, is a security measure designed to protect the integrity of DNS (Domain Name System) data. It verifies the origin and ensures the integrity of the data, preventing malicious activities such as DNS spoofing, where attackers may redirect web traffic to fraudulent servers.<\/p>"},{"question":"When was DNSSEC first introduced?","answer":"<p>The concept of DNSSEC emerged in the late 1990s as a response to the increasing number of DNS spoofing and cache poisoning attacks. The first official mention of DNSSEC came in 1997, when the Internet Engineering Task Force (IETF) released RFC 2065 detailing the original DNSSEC specification.<\/p>"},{"question":"How does DNSSEC work?","answer":"<p>DNSSEC works by digitally signing DNS data records with cryptographic keys, providing a way for resolvers to verify the authenticity of DNS responses. The operation of DNSSEC involves several steps, including zone signing, key signing, Delegation Signer (DS) record generation, and validation.<\/p>"},{"question":"What are the key features of DNSSEC?","answer":"<p>The main features of DNSSEC include Data Origin Authentication, Data Integrity Protection, and a Chain of Trust. These features allow a resolver to verify that the data it received actually came from the domain it believes it contacted, ensure that the data has not been modified in transit, and establish a chain of trust from the root zone down to the queried DNS record, respectively.<\/p>"},{"question":"What types of DNSSEC exist?","answer":"<p>DNSSEC is implemented using two types of cryptographic keys: the Zone Signing Key (ZSK) used to sign all the records within a DNS zone, and the Key Signing Key (KSK) used to sign the DNSKEY record itself.<\/p>"},{"question":"What are some common problems with DNSSEC and their solutions?","answer":"<p>Common problems with implementing DNSSEC include the complexity of key management, the increase in DNS response sizes, and the lack of universal adoption. Solutions include using automated systems for key management, using extensions like EDNS0 for handling larger DNS responses, and encouraging broader implementation of DNSSEC across all domains and DNS resolvers.<\/p>"},{"question":"How does DNSSEC compare to similar technologies?","answer":"<p>While DNS over HTTPS (DoH) and DNS over TLS (DoT) provide encrypted communication between clients and servers, only DNSSEC can ensure the integrity of DNS data and protect against DNS spoofing. DNSSEC also requires Public Key Infrastructure, unlike DoH and DoT.<\/p>"},{"question":"What is the future of DNSSEC?","answer":"<p>As the web continues to evolve and cyber threats become more sophisticated, DNSSEC remains a critical component of internet security. Future enhancements to DNSSEC may include simplified key management, increased automation, and better integration with other security protocols. Blockchain technology is also being explored for enhancing DNSSEC and overall DNS security.<\/p>"},{"question":"How are proxy servers associated with DNSSEC?","answer":"<p>Proxy servers, while not directly interacting with DNSSEC, can be configured to use DNSSEC-aware DNS resolvers. This ensures that the DNS responses the proxy server forwards to the client are validated and secure, enhancing the overall security of the data.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/476955","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/476955\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media\/476956"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media?parent=476955"}],"curies":[{"name":"\u3046\u30fc\u3093","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}