{"id":476920,"date":"2023-08-09T09:05:02","date_gmt":"2023-08-09T09:05:02","guid":{"rendered":""},"modified":"2023-09-05T11:13:39","modified_gmt":"2023-09-05T11:13:39","slug":"dns-query","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/jp\/wiki\/dns-query\/","title":{"rendered":"DNS\u30af\u30a8\u30ea"},"content":{"rendered":"

DNS \u30af\u30a8\u30ea (Domain Name System query) \u306f\u3001\u4eba\u9593\u304c\u5224\u8aad\u3067\u304d\u308b\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u6a5f\u68b0\u304c\u5224\u8aad\u3067\u304d\u308b IP \u30a2\u30c9\u30ec\u30b9\u306b\u5909\u63db\u3059\u308b\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u57fa\u672c\u7684\u306a\u30d7\u30ed\u30bb\u30b9\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u6570\u5024\u306e IP \u30a2\u30c9\u30ec\u30b9\u3092\u899a\u3048\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u4f7f\u3044\u6163\u308c\u305f\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u4f7f\u7528\u3057\u3066 Web \u30b5\u30a4\u30c8\u3084\u30b5\u30fc\u30d3\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u6a5f\u80fd\u306b\u304a\u3044\u3066\u91cd\u8981\u306a\u30b9\u30c6\u30c3\u30d7\u3067\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u304c Web \u30d6\u30e9\u30a6\u30b6\u30fc\u306b\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u5165\u529b\u3059\u308b\u3068\u3001\u30d6\u30e9\u30a6\u30b6\u30fc\u306f DNS \u30af\u30a8\u30ea\u3092\u958b\u59cb\u3057\u3066\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u5bfe\u5fdc\u3059\u308b IP \u30a2\u30c9\u30ec\u30b9\u306b\u89e3\u6c7a\u3057\u307e\u3059\u3002<\/p>\n

DNS\u30af\u30a8\u30ea\u306e\u8d77\u6e90\u3068\u305d\u306e\u6700\u521d\u306e\u8a00\u53ca\u306e\u6b74\u53f2<\/h2>\n

DNS \u30b7\u30b9\u30c6\u30e0\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u3092 IP \u30a2\u30c9\u30ec\u30b9\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u5206\u6563\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3068\u3057\u3066\u30011983 \u5e74\u306b Paul Mockapetris \u3068 Jon Postel \u306b\u3088\u3063\u3066\u5c0e\u5165\u3055\u308c\u307e\u3057\u305f\u3002DNS \u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u6700\u521d\u306e\u4ed5\u69d8\u306f\u30011983 \u5e74 11 \u6708\u306b\u516c\u958b\u3055\u308c\u305f RFC 882 \u304a\u3088\u3073 RFC 883 \u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u521d\u671f\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306f\u3001DNS \u30af\u30a8\u30ea \u30d7\u30ed\u30bb\u30b9\u3068\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3092\u30ca\u30d3\u30b2\u30fc\u30c8\u3059\u308b\u4e0a\u3067\u306e\u305d\u306e\u91cd\u8981\u306a\u5f79\u5272\u306e\u57fa\u790e\u3092\u7bc9\u304d\u307e\u3057\u305f\u3002<\/p>\n

DNS\u30af\u30a8\u30ea\u306b\u95a2\u3059\u308b\u8a73\u7d30\u60c5\u5831\u3002DNS\u30af\u30a8\u30ea\u306e\u30c8\u30d4\u30c3\u30af\u306e\u62e1\u5f35<\/h2>\n

DNS \u30af\u30a8\u30ea \u30d7\u30ed\u30bb\u30b9\u306b\u306f\u3044\u304f\u3064\u304b\u306e\u30b9\u30c6\u30c3\u30d7\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n

    \n
  1. \n

    \u30a4\u30cb\u30b7\u30a8\u30fc\u30b7\u30e7\u30f3<\/strong>: \u30e6\u30fc\u30b6\u30fc\u304c Web \u30d6\u30e9\u30a6\u30b6\u307e\u305f\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u5165\u529b\u3059\u308b\u3068\u3001DNS \u30af\u30a8\u30ea\u306b\u3088\u3063\u3066 DNS \u89e3\u6c7a\u30d7\u30ed\u30bb\u30b9\u304c\u958b\u59cb\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n

  2. \n

    \u30ed\u30fc\u30ab\u30eb\u30ad\u30e3\u30c3\u30b7\u30e5\u30c1\u30a7\u30c3\u30af<\/strong>: \u30af\u30e9\u30a4\u30a2\u30f3\u30c8 \u30c7\u30d0\u30a4\u30b9 (\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u3001\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u306a\u3069) \u306f\u3001\u307e\u305a\u30ed\u30fc\u30ab\u30eb DNS \u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3066\u3001\u8981\u6c42\u3055\u308c\u305f\u30c9\u30e1\u30a4\u30f3\u306e IP \u30a2\u30c9\u30ec\u30b9\u304c\u3059\u3067\u306b\u5b58\u5728\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u30ad\u30e3\u30c3\u30b7\u30e5\u5185\u306b\u60c5\u5831\u304c\u898b\u3064\u304b\u308a\u3001\u305d\u308c\u304c\u307e\u3060\u6709\u52b9\u306a\u5834\u5408\u3001DNS \u30af\u30a8\u30ea \u30d7\u30ed\u30bb\u30b9\u306f\u7d42\u4e86\u3057\u3001IP \u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u7528\u3057\u3066\u63a5\u7d9a\u3092\u78ba\u7acb\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n

  3. \n

    \u518d\u5e30\u30af\u30a8\u30ea<\/strong>: \u30c9\u30e1\u30a4\u30f3\u540d\u304c\u30ed\u30fc\u30ab\u30eb \u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u898b\u3064\u304b\u3089\u306a\u3044\u5834\u5408\u3001\u307e\u305f\u306f\u60c5\u5831\u304c\u671f\u9650\u5207\u308c\u306e\u5834\u5408\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f\u69cb\u6210\u3055\u308c\u305f DNS \u30ea\u30be\u30eb\u30d0\u306b\u518d\u5e30 DNS \u30af\u30a8\u30ea\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002\u30ea\u30be\u30eb\u30d0\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30b5\u30fc\u30d3\u30b9 \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc (ISP) \u307e\u305f\u306f\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e DNS \u30b5\u30fc\u30d0\u30fc\u306b\u3088\u3063\u3066\u63d0\u4f9b\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n

  4. \n

    \u30eb\u30fc\u30c8 DNS \u30b5\u30fc\u30d0\u30fc<\/strong>: \u30ea\u30be\u30eb\u30d0\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u5fc5\u8981\u306a\u60c5\u5831\u304c\u306a\u3044\u5834\u5408\u3001\u30eb\u30fc\u30c8 DNS \u30b5\u30fc\u30d0\u30fc\u306e 1 \u3064\u306b\u63a5\u7d9a\u3057\u307e\u3059\u3002\u30eb\u30fc\u30c8 DNS \u30b5\u30fc\u30d0\u30fc\u306f DNS \u968e\u5c64\u306e\u6700\u4e0a\u4f4d\u306b\u3042\u308a\u3001\u300c.com\u300d\u3001\u300c.org\u300d\u306a\u3069\u306e\u30c8\u30c3\u30d7\u30ec\u30d9\u30eb \u30c9\u30e1\u30a4\u30f3 (TLD) \u3084\u3001\u300c.uk\u300d\u3084\u300c.ca\u300d\u306a\u3069\u306e\u56fd\u30b3\u30fc\u30c9 TLD \u306b\u95a2\u3059\u308b\u60c5\u5831\u3092\u7ba1\u7406\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n

  5. \n

    TLD DNS \u30b5\u30fc\u30d0\u30fc<\/strong>: \u30eb\u30fc\u30c8 DNS \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u8981\u6c42\u3055\u308c\u305f\u30c9\u30e1\u30a4\u30f3\u306e\u62e1\u5f35\u5b50\u3092\u62c5\u5f53\u3059\u308b\u95a2\u9023 TLD DNS \u30b5\u30fc\u30d0\u30fc\u306b\u95a2\u3059\u308b\u60c5\u5831\u3092\u63d0\u4f9b\u3057\u307e\u3059 (\u4f8b: \u300c.com\u300d\u3067\u7d42\u308f\u308b\u30c9\u30e1\u30a4\u30f3\u306e\u5834\u5408\u306f\u300c.com\u300dTLD \u30b5\u30fc\u30d0\u30fc)\u3002<\/p>\n<\/li>\n

  6. \n

    \u6a29\u5a01DNS\u30b5\u30fc\u30d0\u30fc<\/strong>: TLD DNS \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u6b21\u306b\u3001\u8981\u6c42\u3055\u308c\u305f\u30c9\u30e1\u30a4\u30f3\u3092\u62c5\u5f53\u3059\u308b\u6a29\u5a01 DNS \u30b5\u30fc\u30d0\u30fc\u306b\u30ea\u30be\u30eb\u30d0\u30fc\u3092\u8a98\u5c0e\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u6a29\u5a01\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u306b\u95a2\u3059\u308b\u6700\u65b0\u306e\u60c5\u5831\u3092\u4fdd\u6301\u3057\u3066\u304a\u308a\u3001\u5bfe\u5fdc\u3059\u308b IP \u30a2\u30c9\u30ec\u30b9\u3092\u30ea\u30be\u30eb\u30d0\u30fc\u306b\u8fd4\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n

  7. \n

    \u5fdc\u7b54<\/strong>: DNS \u30ea\u30be\u30eb\u30d0\u306f\u3001\u6a29\u5a01 DNS \u30b5\u30fc\u30d0\u30fc\u304b\u3089 IP \u30a2\u30c9\u30ec\u30b9\u3092\u53d7\u4fe1\u3057\u3001\u5c06\u6765\u306e\u4f7f\u7528\u306b\u5099\u3048\u3066\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u4fdd\u5b58\u3057\u307e\u3059\u3002\u6b21\u306b\u3001\u30ea\u30be\u30eb\u30d0\u306f IP \u30a2\u30c9\u30ec\u30b9\u3092\u30af\u30e9\u30a4\u30a2\u30f3\u30c8 \u30c7\u30d0\u30a4\u30b9\u306b\u9001\u308a\u8fd4\u3057\u3001\u8981\u6c42\u3055\u308c\u305f\u30c9\u30e1\u30a4\u30f3\u3092\u30db\u30b9\u30c8\u3057\u3066\u3044\u308b Web \u30b5\u30fc\u30d0\u30fc\u3068\u306e\u63a5\u7d9a\u3092\u78ba\u7acb\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n

    DNS \u30af\u30a8\u30ea\u306e\u5185\u90e8\u69cb\u9020\u3002DNS \u30af\u30a8\u30ea\u306e\u4ed5\u7d44\u307f\u3002<\/h2>\n

    DNS \u30af\u30a8\u30ea\u306e\u5185\u90e8\u69cb\u9020\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u69cb\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n

      \n
    1. \n

      \u30d8\u30c3\u30c0<\/strong>: \u30d8\u30c3\u30c0\u30fc\u306b\u306f\u3001\u30af\u30a8\u30ea\u306e\u7a2e\u985e (A\u3001AAAA\u3001CNAME\u3001MX \u306a\u3069)\u3001\u30af\u30a8\u30ea \u30af\u30e9\u30b9 (\u901a\u5e38\u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u5834\u5408\u306f IN)\u3001\u30af\u30a8\u30ea \u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u30d5\u30e9\u30b0\u306a\u3069\u3001\u30af\u30a8\u30ea\u306b\u95a2\u3059\u308b\u91cd\u8981\u306a\u60c5\u5831\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/li>\n

    2. \n

      \u8cea\u554f\u30bb\u30af\u30b7\u30e7\u30f3<\/strong>\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u306b\u306f\u3001\u30af\u30a8\u30ea\u3055\u308c\u308b\u5b9f\u969b\u306e\u30c9\u30e1\u30a4\u30f3\u540d\u3068\u3001\u305d\u308c\u306b\u5bfe\u5fdc\u3059\u308b\u30af\u30a8\u30ea \u30bf\u30a4\u30d7\u304a\u3088\u3073\u30af\u30e9\u30b9\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n

    3. \n

      \u56de\u7b54\u30bb\u30af\u30b7\u30e7\u30f3<\/strong>: DNS \u30ea\u30be\u30eb\u30d0\u304c\u6a29\u5a01\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u5fdc\u7b54\u3092\u53d7\u4fe1\u3059\u308b\u3068\u3001\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u306b\u306f\u3001\u89e3\u6c7a\u304c\u6210\u529f\u3057\u305f\u5834\u5408\u306e IP \u30a2\u30c9\u30ec\u30b9\u3092\u542b\u3080\u3001\u8981\u6c42\u3055\u308c\u305f\u60c5\u5831\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n

    4. \n

      \u6a29\u9650\u30bb\u30af\u30b7\u30e7\u30f3<\/strong>: DNS \u30ea\u30be\u30eb\u30d0\u304c\u4ed6\u306e\u6a29\u5a01\u30b5\u30fc\u30d0\u3078\u306e\u53c2\u7167\u3092\u53d7\u4fe1\u3057\u305f\u5834\u5408\u3001\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u306b\u95a2\u9023\u60c5\u5831\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n

    5. \n

      \u8ffd\u52a0\u30bb\u30af\u30b7\u30e7\u30f3<\/strong>: \u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u306b\u306f\u3001\u8ffd\u52a0\u306e IP \u30a2\u30c9\u30ec\u30b9\u3084\u30af\u30a8\u30ea\u306b\u95a2\u9023\u3059\u308b\u30ec\u30b3\u30fc\u30c9\u306a\u3069\u306e\u8ffd\u52a0\u60c5\u5831\u304c\u542b\u307e\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n

      DNS \u30af\u30a8\u30ea\u306f\u3001\u30e6\u30fc\u30b6\u30fc \u30c7\u30fc\u30bf\u30b0\u30e9\u30e0 \u30d7\u30ed\u30c8\u30b3\u30eb (UDP) \u307e\u305f\u306f\u4f1d\u9001\u5236\u5fa1\u30d7\u30ed\u30c8\u30b3\u30eb (TCP) \u306e\u3044\u305a\u308c\u304b\u3067\u52d5\u4f5c\u3057\u307e\u3059\u30021 \u3064\u306e\u30d1\u30b1\u30c3\u30c8\u306b\u53ce\u307e\u308b\u5358\u7d14\u306a\u30af\u30a8\u30ea\u3067\u306f\u901a\u5e38\u3001\u901a\u4fe1\u901f\u5ea6\u3092\u4e0a\u3052\u308b\u305f\u3081\u306b UDP \u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u304c\u3001\u5927\u898f\u6a21\u306a\u30af\u30a8\u30ea\u3084\u3088\u308a\u9ad8\u3044\u4fe1\u983c\u6027\u304c\u6c42\u3081\u3089\u308c\u308b\u30af\u30a8\u30ea\u3067\u306f TCP \u304c\u4f7f\u7528\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

      DNS\u30af\u30a8\u30ea\u306e\u4e3b\u306a\u7279\u5fb4\u306e\u5206\u6790<\/h2>\n

      DNS \u30af\u30a8\u30ea \u30d7\u30ed\u30bb\u30b9\u306f\u3001\u6b21\u306e\u4e3b\u8981\u306a\u6a5f\u80fd\u306b\u3088\u3063\u3066\u7279\u5fb4\u4ed8\u3051\u3089\u308c\u307e\u3059\u3002<\/p>\n

        \n
      1. \n

        \u30ad\u30e3\u30c3\u30b7\u30f3\u30b0<\/strong>: DNS \u30ea\u30be\u30eb\u30d0\u3068\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f\u901a\u5e38\u3001\u89e3\u6c7a\u3055\u308c\u305f DNS \u30ec\u30b3\u30fc\u30c9\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3057\u3066\u3001\u30af\u30a8\u30ea\u306e\u5fdc\u7b54\u6642\u9593\u3092\u77ed\u7e2e\u3057\u3001DNS \u30b5\u30fc\u30d0\u30fc\u306e\u8ca0\u8377\u3092\u8efd\u6e1b\u3057\u307e\u3059\u3002\u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u308c\u305f\u30ec\u30b3\u30fc\u30c9\u306f\u3001\u6b63\u78ba\u6027\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u5b9a\u671f\u7684\u306b\u66f4\u65b0\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n

      2. \n

        \u968e\u5c64<\/strong>DNS \u306f\u3001\u30eb\u30fc\u30c8 \u30b5\u30fc\u30d0\u30fc\u3092\u6700\u4e0a\u4f4d\u3068\u3057\u3001TLD \u30b5\u30fc\u30d0\u30fc\u3001\u6a29\u5a01\u30b5\u30fc\u30d0\u30fc\u3068\u3044\u3046\u968e\u5c64\u69cb\u9020\u3067\u52d5\u4f5c\u3057\u307e\u3059\u3002\u3053\u306e\u968e\u5c64\u69cb\u9020\u306b\u3088\u308a\u3001DNS \u60c5\u5831\u3092\u52b9\u7387\u7684\u306b\u914d\u5e03\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n

      3. \n

        \u5197\u9577\u6027<\/strong>DNS \u30b7\u30b9\u30c6\u30e0\u306f\u5197\u9577\u6027\u3092\u8003\u616e\u3057\u3066\u8a2d\u8a08\u3055\u308c\u3066\u304a\u308a\u3001\u30c9\u30e1\u30a4\u30f3\u3054\u3068\u306b\u8907\u6570\u306e\u6a29\u9650\u306e\u3042\u308b DNS \u30b5\u30fc\u30d0\u30fc\u304c\u5b58\u5728\u3059\u308b\u305f\u3081\u3001\u9ad8\u3044\u53ef\u7528\u6027\u3068\u30d5\u30a9\u30fc\u30eb\u30c8 \u30c8\u30ec\u30e9\u30f3\u30b9\u304c\u78ba\u4fdd\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n

      4. \n

        \u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b7\u30f3\u30b0<\/strong>: DNS \u306f\u3001\u540c\u3058\u30c9\u30e1\u30a4\u30f3\u306b\u95a2\u9023\u4ed8\u3051\u3089\u308c\u305f\u8907\u6570\u306e\u30b5\u30fc\u30d0\u30fc\u9593\u3067\u8981\u6c42\u3092\u5206\u6563\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u8ca0\u8377\u5206\u6563\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n

      5. \n

        DNSSEC<\/strong>: \u30c9\u30e1\u30a4\u30f3 \u30cd\u30fc\u30e0 \u30b7\u30b9\u30c6\u30e0 \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u62e1\u5f35\u6a5f\u80fd (DNSSEC) \u306f\u3001DNS \u30af\u30a8\u30ea\u306e\u8a8d\u8a3c\u3068\u6574\u5408\u6027\u3092\u63d0\u4f9b\u3057\u3001DNS \u30ad\u30e3\u30c3\u30b7\u30e5 \u30dd\u30a4\u30ba\u30cb\u30f3\u30b0\u3084\u305d\u306e\u4ed6\u306e\u653b\u6483\u304b\u3089\u4fdd\u8b77\u3059\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u62e1\u5f35\u6a5f\u80fd\u306e\u30bb\u30c3\u30c8\u3067\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n

        DNS\u30af\u30a8\u30ea\u306e\u7a2e\u985e<\/h2>\n

        DNS \u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u305d\u308c\u305e\u308c\u7279\u5b9a\u306e\u76ee\u7684\u3092\u679c\u305f\u3059\u8907\u6570\u306e\u7a2e\u985e\u306e\u30af\u30a8\u30ea\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002\u4e00\u822c\u7684\u306a\u30af\u30a8\u30ea\u306e\u7a2e\u985e\u306b\u306f\u6b21\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n\n\n\n\n\n\n\n\n
        \u30af\u30a8\u30ea\u30bf\u30a4\u30d7<\/th>\n\u8aac\u660e<\/th>\n<\/tr>\n<\/thead>\n
        \u3042<\/td>\n\u30c9\u30e1\u30a4\u30f3\u306e IPv4 \u30a2\u30c9\u30ec\u30b9\u3092\u8fd4\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n
        AAAA<\/td>\n\u30c9\u30e1\u30a4\u30f3\u306e IPv6 \u30a2\u30c9\u30ec\u30b9\u3092\u8fd4\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n
        \uff23\uff2e\uff21\uff2d\uff25<\/td>\n\u30c9\u30e1\u30a4\u30f3\u306e\u6b63\u898f\u540d (\u30a8\u30a4\u30ea\u30a2\u30b9) \u3092\u8fd4\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n
        \u30e1\u30ad\u30b7\u30b3<\/td>\n\u30c9\u30e1\u30a4\u30f3\u306e\u30e1\u30fc\u30eb\u4ea4\u63db\u30b5\u30fc\u30d0\u30fc\u3092\u8fd4\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n
        NS<\/td>\n\u30c9\u30e1\u30a4\u30f3\u306e\u6a29\u9650\u306e\u3042\u308b\u30cd\u30fc\u30e0 \u30b5\u30fc\u30d0\u30fc\u3092\u8fd4\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n
        TXT<\/td>\nSPF \u30ec\u30b3\u30fc\u30c9\u3084\u30c9\u30e1\u30a4\u30f3\u691c\u8a3c\u306b\u3088\u304f\u4f7f\u7528\u3055\u308c\u308b\u8aac\u660e\u30c6\u30ad\u30b9\u30c8\u3092\u8fd4\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n
        \u30bd\u30a2<\/td>\n\u30c9\u30e1\u30a4\u30f3\u306e\u6a29\u9650\u306e\u958b\u59cb\u306b\u95a2\u3059\u308b\u60c5\u5831\u3092\u8fd4\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

        DNS\u30af\u30a8\u30ea\u306e\u4f7f\u7528\u65b9\u6cd5\u3001\u4f7f\u7528\u306b\u95a2\u9023\u3059\u308b\u554f\u984c\u3068\u305d\u306e\u89e3\u6c7a\u7b56<\/h2>\n

        DNS \u30af\u30a8\u30ea\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u3055\u307e\u3056\u307e\u306a\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u95a2\u9023\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3067\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

          \n
        1. \n

          \u30a6\u30a7\u30d6\u306e\u95b2\u89a7<\/strong>: \u30e6\u30fc\u30b6\u30fc\u304c Web \u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u305f\u3073\u306b\u3001\u30d6\u30e9\u30a6\u30b6\u306f DNS \u30af\u30a8\u30ea\u3092\u5b9f\u884c\u3057\u3066 Web \u30b5\u30a4\u30c8\u306e\u30b5\u30fc\u30d0\u30fc\u306e IP \u30a2\u30c9\u30ec\u30b9\u3092\u691c\u7d22\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n

        2. \n

          \u30e1\u30fc\u30eb\u914d\u4fe1<\/strong>: DNS \u30af\u30a8\u30ea\u306f\u3001\u7279\u5b9a\u306e\u30c9\u30e1\u30a4\u30f3\u306e\u96fb\u5b50\u30e1\u30fc\u30eb\u914d\u4fe1\u3092\u51e6\u7406\u3059\u308b\u30e1\u30fc\u30eb\u4ea4\u63db\u30b5\u30fc\u30d0\u30fc\u3092\u898b\u3064\u3051\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n

        3. \n

          \u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b7\u30f3\u30b0<\/strong>: DNS \u306f\u3001\u540c\u3058\u30c9\u30e1\u30a4\u30f3\u306b\u95a2\u9023\u4ed8\u3051\u3089\u308c\u305f\u7570\u306a\u308b IP \u30a2\u30c9\u30ec\u30b9\u306b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u9001\u4fe1\u3059\u308b\u3053\u3068\u3067\u3001\u8ca0\u8377\u5206\u6563\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n

        4. \n

          \u30b3\u30f3\u30c6\u30f3\u30c4\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0<\/strong>: DNS \u30af\u30a8\u30ea\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30b3\u30f3\u30c6\u30f3\u30c4 \u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3092\u5b9f\u88c5\u3057\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u306b\u57fa\u3065\u3044\u3066\u7279\u5b9a\u306e Web \u30b5\u30a4\u30c8\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u30d6\u30ed\u30c3\u30af\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n

          \u305f\u3060\u3057\u3001DNS \u30b7\u30b9\u30c6\u30e0\u306b\u306f\u8ab2\u984c\u304c\u306a\u3044\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u4e00\u822c\u7684\u306a\u554f\u984c\u306b\u306f\u6b21\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

            \n
          1. \n

            DNS \u89e3\u6c7a\u306e\u9045\u5ef6<\/strong>: DNS \u89e3\u6c7a\u304c\u9045\u3044\u3068\u3001Web \u30b5\u30a4\u30c8\u3078\u306e\u30a2\u30af\u30bb\u30b9\u304c\u9045\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30ad\u30e3\u30c3\u30b7\u30e5\u3068\u52b9\u7387\u7684\u306a DNS \u30ea\u30be\u30eb\u30d0\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u3053\u306e\u554f\u984c\u3092\u8efd\u6e1b\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n

          2. \n

            DNS \u30ad\u30e3\u30c3\u30b7\u30e5\u30dd\u30a4\u30ba\u30cb\u30f3\u30b0<\/strong>: \u653b\u6483\u8005\u306f\u507d\u306e\u60c5\u5831\u3067 DNS \u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u6c5a\u67d3\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u3092\u60aa\u610f\u306e\u3042\u308b Web \u30b5\u30a4\u30c8\u306b\u8a98\u5c0e\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002DNSSEC \u306f\u30ad\u30e3\u30c3\u30b7\u30e5\u6c5a\u67d3\u306e\u9632\u6b62\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<\/li>\n

          3. \n

            DNS DDoS\u653b\u6483<\/strong>: \u5206\u6563\u578b\u30b5\u30fc\u30d3\u30b9\u62d2\u5426 (DDoS) \u653b\u6483\u306f DNS \u30b5\u30fc\u30d0\u30fc\u3092\u6a19\u7684\u3068\u3057\u3001\u30b5\u30fc\u30d3\u30b9\u306e\u4e2d\u65ad\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u5805\u7262\u306a DNS \u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u3068 DDoS \u4fdd\u8b77\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u306e\u554f\u984c\u306b\u5bfe\u51e6\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n

          4. \n

            DNS\u30cf\u30a4\u30b8\u30e3\u30c3\u30af<\/strong>: \u653b\u6483\u8005\u306f DNS \u30af\u30a8\u30ea\u3092\u60aa\u610f\u306e\u3042\u308b\u30b5\u30fc\u30d0\u30fc\u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3057\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u508d\u53d7\u3057\u3066\u6a5f\u5bc6\u60c5\u5831\u3092\u76d7\u3080\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002DNS \u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u3092\u4fdd\u8b77\u3057\u3001DNSSEC \u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n

            \u4e3b\u306a\u7279\u5fb4\u3068\u985e\u4f3c\u7528\u8a9e\u3068\u306e\u6bd4\u8f03<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n
            \u5b66\u671f<\/th>\n\u8aac\u660e<\/th>\n<\/tr>\n<\/thead>\n
            DNS\u30af\u30a8\u30ea<\/td>\n\u30c9\u30e1\u30a4\u30f3\u540d\u3092 IP \u30a2\u30c9\u30ec\u30b9\u306b\u5909\u63db\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n
            DNS\u89e3\u6c7a<\/td>\n\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u89e3\u6c7a\u3059\u308b\u5168\u4f53\u7684\u306a\u30d7\u30ed\u30bb\u30b9\u3002<\/td>\n<\/tr>\n
            DNSSEC<\/td>\n\u653b\u6483\u3092\u9632\u3050\u305f\u3081\u306e DNS \u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u62e1\u5f35\u6a5f\u80fd\u3002<\/td>\n<\/tr>\n
            DNS \u30ad\u30e3\u30c3\u30b7\u30e5<\/td>\n\u30a2\u30af\u30bb\u30b9\u3092\u9ad8\u901f\u5316\u3059\u308b\u305f\u3081\u306b\u3001\u6700\u8fd1\u89e3\u6c7a\u3055\u308c\u305f DNS \u30af\u30a8\u30ea\u3092\u4fdd\u5b58\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n
            DNS\u30b9\u30d7\u30fc\u30d5\u30a3\u30f3\u30b0<\/td>\nDNS \u30c7\u30fc\u30bf\u3092\u507d\u9020\u3057\u3066\u30e6\u30fc\u30b6\u30fc\u3092\u60aa\u610f\u306e\u3042\u308b\u30b5\u30a4\u30c8\u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n
            \u30d7\u30ed\u30ad\u30b7\u30b5\u30fc\u30d0\u30fc<\/td>\n\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u306e\u9593\u306e\u4ef2\u4ecb\u8005\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n
            VPN<\/td>\n\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u6697\u53f7\u5316\u3057\u3001\u5b89\u5168\u306a\u30b5\u30fc\u30d0\u30fc\u7d4c\u7531\u3067\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

            DNS \u30af\u30a8\u30ea\u306f\u30c9\u30e1\u30a4\u30f3\u540d\u3092 IP \u30a2\u30c9\u30ec\u30b9\u306b\u5909\u63db\u3059\u308b\u3053\u3068\u306b\u91cd\u70b9\u3092\u7f6e\u3044\u3066\u3044\u307e\u3059\u304c\u3001\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3068 VPN \u306f\u7570\u306a\u308b\u76ee\u7684\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u8981\u6c42\u306e\u4ef2\u4ecb\u5f79\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u533f\u540d\u6027\u3068\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u4e00\u65b9\u3001VPN \u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u6697\u53f7\u5316\u3057\u3066\u4fdd\u8b77\u3057\u3001\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3057\u307e\u3059\u3002<\/p>\n

            DNS\u30af\u30a8\u30ea\u306b\u95a2\u3059\u308b\u5c06\u6765\u306e\u5c55\u671b\u3068\u6280\u8853<\/h2>\n

            DNS \u30af\u30a8\u30ea\u306e\u5c06\u6765\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001\u901f\u5ea6\u3001\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u306e\u5411\u4e0a\u306b\u3042\u308a\u307e\u3059\u3002DNS over HTTPS (DoH) \u3084 DNS over TLS (DoT) \u306a\u3069\u306e\u30c6\u30af\u30ce\u30ed\u30b8\u306f\u3001DNS \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u6697\u53f7\u5316\u3057\u3066\u3001\u653b\u6483\u8005\u304c DNS \u30af\u30a8\u30ea\u3092\u76d7\u8074\u3057\u305f\u308a\u64cd\u4f5c\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u3092\u56f0\u96e3\u306b\u3059\u308b\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30b5\u30fc\u30d3\u30b9 \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306b\u3088\u308b\u30e6\u30fc\u30b6\u30fc\u306e DNS \u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306e\u76e3\u8996\u3092\u9632\u3050\u3053\u3068\u3067\u3001\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3082\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/p>\n

            \u3055\u3089\u306b\u3001IPv6 \u306e\u5c0e\u5165\u306f\u62e1\u5927\u3057\u7d9a\u3051\u3066\u304a\u308a\u3001DNS \u30af\u30a8\u30ea\u3067\u306f IPv4 \u30a2\u30c9\u30ec\u30b9\u3068\u4e26\u884c\u3057\u3066 IPv6 \u30a2\u30c9\u30ec\u30b9\u306e\u89e3\u6c7a\u304c\u307e\u3059\u307e\u3059\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002\u4e21\u65b9\u306e\u30a2\u30c9\u30ec\u30b9\u5f62\u5f0f\u3092\u52b9\u679c\u7684\u306b\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u306b\u306f\u3001DNS \u30b5\u30fc\u30d0\u30fc \u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3068\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u304c\u3053\u308c\u3089\u306e\u5909\u66f4\u306b\u9069\u5fdc\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

            \u30d7\u30ed\u30ad\u30b7\u30b5\u30fc\u30d0\u30fc\u306e\u4f7f\u7528\u65b9\u6cd5\u3084DNS\u30af\u30a8\u30ea\u3068\u306e\u95a2\u9023\u4ed8\u3051\u65b9\u6cd5<\/h2>\n

            \u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3068 DNS \u30af\u30a8\u30ea\u306f\u3001\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u306e\u5f37\u5316\u3068\u5730\u7406\u7684\u5236\u9650\u306e\u56de\u907f\u3068\u3044\u3046\u70b9\u3067\u95a2\u9023\u3057\u3066\u3044\u307e\u3059\u3002\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306e\u4f7f\u7528\u65b9\u6cd5\u3084 DNS \u30af\u30a8\u30ea\u3068\u306e\u95a2\u9023\u4ed8\u3051\u65b9\u6cd5\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n

              \n
            1. \n

              \u533f\u540d<\/strong>: \u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u4ee3\u308f\u3063\u3066 DNS \u30af\u30a8\u30ea\u3092\u5b9f\u884c\u3059\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3067\u304d\u3001DNS \u30ea\u30be\u30eb\u30d0\u30fc\u3068\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u5b9f\u969b\u306e IP \u30a2\u30c9\u30ec\u30b9\u3092\u96a0\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u304c\u3055\u3089\u306b\u5f37\u5316\u3055\u308c\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306e\u8ffd\u8de1\u304c\u3055\u3089\u306b\u56f0\u96e3\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n

            2. \n

              \u5730\u7406\u7684\u30d6\u30ed\u30c3\u30af\u89e3\u9664<\/strong>: \u4e00\u90e8\u306e\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u7570\u306a\u308b\u5730\u57df\u306b\u3042\u308b\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u306e DNS \u30af\u30a8\u30ea\u3092\u89e3\u6c7a\u3059\u308b\u3053\u3068\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u5730\u7406\u7684\u306b\u30d6\u30ed\u30c3\u30af\u3055\u308c\u305f\u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u5730\u57df\u30d9\u30fc\u30b9\u306e\u5236\u9650\u3092\u56de\u907f\u3057\u3001\u5225\u306e\u5834\u6240\u306b\u3044\u308b\u304b\u306e\u3088\u3046\u306b\u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n

            3. \n

              \u30b3\u30f3\u30c6\u30f3\u30c4\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0<\/strong>: \u7d44\u7e54\u306f\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3092\u4f7f\u7528\u3057\u3066\u3001\u3069\u306e DNS \u30af\u30a8\u30ea\u3092\u8a31\u53ef\u3057\u3001\u3069\u306e DNS \u30af\u30a8\u30ea\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u304b\u3092\u5236\u5fa1\u3059\u308b\u3053\u3068\u3067\u3001\u30b3\u30f3\u30c6\u30f3\u30c4 \u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0 \u30dd\u30ea\u30b7\u30fc\u3092\u9069\u7528\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u60aa\u610f\u306e\u3042\u308b Web \u30b5\u30a4\u30c8\u3084\u4e0d\u9069\u5207\u306a Web \u30b5\u30a4\u30c8\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u9632\u6b62\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n

              \u95a2\u9023\u30ea\u30f3\u30af<\/h2>\n

              DNS \u30af\u30a8\u30ea\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

                \n
              1. \n

                \u30c9\u30e1\u30a4\u30f3 \u30cd\u30fc\u30e0 \u30b7\u30b9\u30c6\u30e0 (DNS) \u306e\u6982\u8981<\/a> \u2013 IETF RFC 1034 \u3067\u306f\u3001DNS \u30b7\u30b9\u30c6\u30e0\u306e\u6982\u8981\u304c\u8aac\u660e\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/li>\n

              2. \n

                DNSSEC \u306e\u6982\u8981<\/a> \u2013 DNSSEC \u3068\u3001DNS \u30af\u30a8\u30ea\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4fdd\u8b77\u306b\u304a\u3051\u308b\u305d\u306e\u5229\u70b9\u306b\u3064\u3044\u3066\u5b66\u7fd2\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n

              3. \n

                DNS over HTTPS (DoH) \u306e\u8aac\u660e<\/a> \u2013 DNS over HTTPS \u306e\u6982\u5ff5\u3068\u305d\u308c\u304c\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u3069\u306e\u3088\u3046\u306b\u5f37\u5316\u3059\u308b\u304b\u3092\u7406\u89e3\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n

              4. \n

                IPv6 \u306e\u8aac\u660e<\/a> \u2013 IPv6 \u3068\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u901a\u4fe1\u306e\u5c06\u6765\u306b\u304a\u3051\u308b\u305d\u306e\u5f79\u5272\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306e\u30ac\u30a4\u30c9\u3002<\/p>\n<\/li>\n

              5. \n

                \u30d7\u30ed\u30ad\u30b7\u30b5\u30fc\u30d0\u30fc: \u4ed5\u7d44\u307f<\/a> \u2013 \u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3068 Web \u901a\u4fe1\u306b\u304a\u3051\u308b\u305d\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u3064\u3044\u3066\u5b66\u7fd2\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n

                \u3053\u308c\u3089\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u8a73\u3057\u304f\u8abf\u3079\u308b\u3053\u3068\u3067\u3001DNS \u30af\u30a8\u30ea\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u6a5f\u80fd\u306b\u304a\u3051\u308b\u305d\u306e\u91cd\u8981\u6027\u3001\u304a\u3088\u3073\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3068\u306e\u95a2\u9023\u6027\u306b\u3064\u3044\u3066\u3001\u3088\u308a\u6df1\u304f\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>","protected":false},"featured_media":0,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476920","wiki","type-wiki","status-publish","hentry"],"acf":{"faq_title":"Frequently Asked Questions about DNS Query for the Website of the Proxy Server Provider OneProxy (oneproxy.pro)<\/mark>","faq_items":[{"question":"What is a DNS query, and how does it work?","answer":"

                A DNS query, or Domain Name System query, is a process that converts human-readable domain names (like example.com) into machine-readable IP addresses (like 192.0.2.1). When you enter a domain name into your web browser, it initiates a DNS query to find the corresponding IP address. The query follows a hierarchical structure, involving local cache checks, recursive queries to DNS resolvers, and interactions with root and authoritative DNS servers to return the IP address back to your device for establishing a connection.<\/p>"},{"question":"What is the history behind DNS queries?","answer":"

                The DNS system was introduced in 1983 by Paul Mockapetris and Jon Postel. Its specifications were published in RFC 882 and RFC 883 in November 1983, defining the fundamental processes of DNS, including the DNS query. These early documents laid the foundation for the internet's domain name resolution mechanism.<\/p>"},{"question":"What are the key features of DNS queries?","answer":"

                DNS queries have several key features, including caching to store resolved records, a hierarchical structure with root and authoritative servers, redundancy with multiple authoritative servers for each domain, and support for DNSSEC to enhance security by preventing cache poisoning and other attacks.<\/p>"},{"question":"What types of DNS queries exist?","answer":"

                DNS queries support various types, such as A (IPv4 address), AAAA (IPv6 address), CNAME (canonical name), MX (mail exchange servers), NS (authoritative name servers), TXT (descriptive text), and SOA (start of authority).<\/p>"},{"question":"How can DNS queries be used?","answer":"

                DNS queries are essential for web browsing, email delivery, load balancing, content filtering, and other internet-related activities that require translating domain names into IP addresses.<\/p>"},{"question":"What are some common problems related to DNS queries?","answer":"

                Common DNS query issues include resolution delays, cache poisoning, DDoS attacks on DNS servers, and DNS hijacking. Implementing measures like efficient DNS resolvers, DNSSEC, and robust infrastructure can address these problems.<\/p>"},{"question":"How are proxy servers associated with DNS queries?","answer":"

                Proxy servers can enhance privacy by acting as intermediaries for DNS queries, concealing users' IP addresses from DNS resolvers. They can also help users bypass geographical restrictions by resolving DNS queries from servers in different regions, allowing access to geo-blocked content.<\/p>"},{"question":"What does the future hold for DNS queries?","answer":"

                The future of DNS queries lies in enhancing security and speed. Technologies like DNS over HTTPS (DoH) and DNS over TLS (DoT) aim to encrypt DNS traffic for improved privacy and protection against eavesdropping.<\/p>"},{"question":"Where can I find more information about DNS queries?","answer":"

                For more information about DNS queries, you can refer to the provided links and resources, which offer in-depth insights into DNS resolution, DNSSEC, IPv6, proxy servers, and related topics.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/476920","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\/476920\/revisions"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media?parent=476920"}],"curies":[{"name":"\u3046\u30fc\u3093","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}