{"id":476933,"date":"2023-08-09T09:05:36","date_gmt":"2023-08-09T09:05:36","guid":{"rendered":""},"modified":"2023-09-05T11:13:43","modified_gmt":"2023-09-05T11:13:43","slug":"dns-round-robin","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/jp\/wiki\/dns-round-robin\/","title":{"rendered":"DNS\u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3"},"content":{"rendered":"

DNS \u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u306f\u3001\u7740\u4fe1\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u65b9\u5f0f\u3067\u8907\u6570\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u5206\u6563\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u8ca0\u8377\u5206\u6563\u6280\u8853\u3067\u3059\u3002\u3053\u308c\u306f\u3001Web \u30b5\u30a4\u30c8\u3084\u30b5\u30fc\u30d3\u30b9\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3001\u5197\u9577\u6027\u3001\u30d5\u30a9\u30fc\u30eb\u30c8 \u30c8\u30ec\u30e9\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306e\u57fa\u672c\u7684\u306a\u30e1\u30ab\u30cb\u30ba\u30e0\u3067\u3059\u3002\u3053\u306e\u65b9\u6cd5\u3067\u306f\u3001DNS (\u30c9\u30e1\u30a4\u30f3 \u30cd\u30fc\u30e0 \u30b7\u30b9\u30c6\u30e0) \u3092\u6d3b\u7528\u3057\u3066\u3001\u8907\u6570\u306e IP \u30a2\u30c9\u30ec\u30b9\u3092 1 \u3064\u306e\u30c9\u30e1\u30a4\u30f3\u540d\u306b\u95a2\u9023\u4ed8\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u30c9\u30e1\u30a4\u30f3\u306e IP \u30a2\u30c9\u30ec\u30b9\u3092\u8981\u6c42\u3059\u308b\u3068\u3001DNS \u306f\u30d7\u30fc\u30eb\u304b\u3089\u7570\u306a\u308b IP \u30a2\u30c9\u30ec\u30b9\u3092\u9806\u756a\u306b\u8fd4\u3057\u3001\u95a2\u9023\u4ed8\u3051\u3089\u308c\u305f\u30b5\u30fc\u30d0\u30fc\u9593\u3067\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u5747\u7b49\u306b\u5206\u6563\u3057\u307e\u3059\u3002<\/p>\n

DNS\u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u306e\u8d77\u6e90\u3068\u305d\u306e\u6700\u521d\u306e\u8a00\u53ca\u306e\u6b74\u53f2<\/h2>\n

DNS \u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u306e\u6982\u5ff5\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u521d\u671f\u306e\u9803\u306b\u9061\u308a\u307e\u3059\u3002\u5143\u3005\u306e\u30a2\u30a4\u30c7\u30a2\u306f\u3001DNS \u30be\u30fc\u30f3 \u30d5\u30a1\u30a4\u30eb\u306b\u8907\u6570\u306e A (\u30a2\u30c9\u30ec\u30b9) \u30ec\u30b3\u30fc\u30c9\u3092\u914d\u7f6e\u3057\u3001\u305d\u308c\u305e\u308c\u304c\u7570\u306a\u308b\u30b5\u30fc\u30d0\u30fc\u3092\u6307\u3059\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3067\u3001\u57fa\u672c\u7684\u306a\u8ca0\u8377\u5206\u6563\u3068\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc\u3092\u53ef\u80fd\u306b\u3059\u308b\u3068\u3044\u3046\u3082\u306e\u3067\u3057\u305f\u3002DNS \u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u306e\u6700\u521d\u306e\u8a00\u53ca\u306f\u30011985 \u5e74\u306b\u767a\u884c\u3055\u308c\u305f RFC 970 \u306b\u9061\u308a\u307e\u3059\u3002\u3053\u306e RFC \u3067\u306f\u3001\u5358\u4e00\u306e\u30c9\u30e1\u30a4\u30f3\u306b\u8907\u6570\u306e IP \u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u7528\u3059\u308b\u3068\u3044\u3046\u6982\u5ff5\u304c\u5c0e\u5165\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n

DNS\u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u306e\u8a73\u7d30\u60c5\u5831<\/h2>\n

DNS \u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u306f\u3001DNS \u30af\u30a8\u30ea\u306b\u5fdc\u3058\u3066 IP \u30a2\u30c9\u30ec\u30b9\u306e\u30ea\u30b9\u30c8\u3092\u5faa\u74b0\u3059\u308b\u3068\u3044\u3046\u5358\u7d14\u306a\u539f\u7406\u3067\u52d5\u4f5c\u3057\u307e\u3059\u3002\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u30c9\u30e1\u30a4\u30f3\u540d\u306e\u89e3\u6c7a\u3092\u8981\u6c42\u3059\u308b\u3068\u3001DNS \u30b5\u30fc\u30d0\u30fc\u306f\u30ea\u30b9\u30c8\u304b\u3089 IP \u30a2\u30c9\u30ec\u30b9\u3092\u30e9\u30f3\u30c0\u30e0\u306b\u9078\u629e\u3057\u3001\u305d\u308c\u3092\u5fdc\u7b54\u3068\u3057\u3066\u8fd4\u3057\u307e\u3059\u3002\u4ed6\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u306e\u305d\u306e\u5f8c\u306e DNS \u30af\u30a8\u30ea\u3067\u306f\u3001\u30ea\u30b9\u30c8\u5185\u306e\u7570\u306a\u308b IP \u30a2\u30c9\u30ec\u30b9\u304c\u53d7\u4fe1\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u3053\u308c\u306b\u3088\u308a\u30b5\u30fc\u30d0\u30fc\u9593\u3067\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u5206\u6563\u3055\u308c\u307e\u3059\u3002<\/p>\n

DNS \u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u306e\u5185\u90e8\u69cb\u9020: DNS \u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u306e\u4ed5\u7d44\u307f<\/h2>\n

DNS \u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u306f\u3001\u30c9\u30e1\u30a4\u30f3 \u30cd\u30fc\u30e0 \u30b7\u30b9\u30c6\u30e0\u968e\u5c64\u5185\u3067\u6a5f\u80fd\u3057\u307e\u3059\u3002DNS \u30ea\u30be\u30eb\u30d0\u304c\u8907\u6570\u306e IP \u30a2\u30c9\u30ec\u30b9\u3092\u6301\u3064\u30c9\u30e1\u30a4\u30f3\u306e\u30af\u30a8\u30ea\u3092\u53d7\u4fe1\u3059\u308b\u3068 (\u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u69cb\u6210\u306e\u305f\u3081)\u3001\u5404\u5fdc\u7b54\u3067\u30ea\u30b9\u30c8\u304b\u3089 IP \u30a2\u30c9\u30ec\u30b9\u306e 1 \u3064\u3092\u8fd4\u3057\u307e\u3059\u3002IP \u30a2\u30c9\u30ec\u30b9\u306e\u9078\u629e\u306f\u901a\u5e38\u3001DNS \u30be\u30fc\u30f3 \u30d5\u30a1\u30a4\u30eb\u306b\u8868\u793a\u3055\u308c\u308b\u9806\u5e8f\u306b\u57fa\u3065\u304d\u307e\u3059\u3002<\/p>\n

\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306f\u3001\u6b21\u306e\u624b\u9806\u306b\u8981\u7d04\u3067\u304d\u307e\u3059\u3002<\/p>\n

    \n
  1. \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f\u30c9\u30e1\u30a4\u30f3\u540d\u306e DNS \u30af\u30a8\u30ea\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/li>\n
  2. DNS \u30ea\u30be\u30eb\u30d0\u306f\u30c9\u30e1\u30a4\u30f3\u306e DNS \u30ec\u30b3\u30fc\u30c9\u3092\u691c\u7d22\u3057\u3001\u305d\u308c\u306b\u95a2\u9023\u4ed8\u3051\u3089\u308c\u305f\u8907\u6570\u306e IP \u30a2\u30c9\u30ec\u30b9\u3092\u898b\u3064\u3051\u307e\u3059\u3002<\/li>\n
  3. DNS \u30ea\u30be\u30eb\u30d0\u306f IP \u30a2\u30c9\u30ec\u30b9\u306e 1 \u3064\u3092\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u8fd4\u3057\u3001\u5f8c\u7d9a\u306e\u30af\u30a8\u30ea\u3054\u3068\u306b\u9078\u629e\u3092\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n

    DNS\u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u306e\u4e3b\u306a\u7279\u5fb4\u306e\u5206\u6790<\/h2>\n

    DNS \u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u306f\u3001\u8ca0\u8377\u5206\u6563\u3068\u30b5\u30fc\u30d0\u30fc\u306e\u53ef\u7528\u6027\u306e\u5411\u4e0a\u306b\u5f79\u7acb\u3064\u30c4\u30fc\u30eb\u3068\u306a\u308b\u3044\u304f\u3064\u304b\u306e\u91cd\u8981\u306a\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n

      \n
    1. \n

      \u8ca0\u8377\u5206\u6563<\/strong>: DNS \u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u306f\u3001DNS \u5fdc\u7b54\u5185\u306e IP \u30a2\u30c9\u30ec\u30b9\u3092\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u3059\u308b\u3053\u3068\u3067\u3001\u53d7\u4fe1\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u8907\u6570\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u5747\u7b49\u306b\u5206\u6563\u3057\u3001\u5358\u4e00\u306e\u30b5\u30fc\u30d0\u30fc\u306e\u904e\u8ca0\u8377\u3092\u9632\u304e\u307e\u3059\u3002<\/p>\n<\/li>\n

    2. \n

      \u9ad8\u53ef\u7528\u6027<\/strong>: \u8907\u6570\u306e\u30b5\u30fc\u30d0\u30fc\u3092\u5358\u4e00\u306e\u30c9\u30e1\u30a4\u30f3\u306b\u95a2\u9023\u4ed8\u3051\u308b\u3053\u3068\u3067\u3001DNS \u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u306f\u5197\u9577\u6027\u3092\u5b9f\u73fe\u3057\u307e\u3059\u30021 \u3064\u306e\u30b5\u30fc\u30d0\u30fc\u304c\u4f7f\u7528\u3067\u304d\u306a\u304f\u306a\u3063\u305f\u5834\u5408\u3067\u3082\u3001\u6b8b\u308a\u306e\u30b5\u30fc\u30d0\u30fc\u306f\u5f15\u304d\u7d9a\u304d\u53d7\u4fe1\u8981\u6c42\u3092\u51e6\u7406\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n

    3. \n

      \u5b9f\u88c5\u306e\u5bb9\u6613\u3055<\/strong>: DNS \u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u306f\u3001DNS \u30be\u30fc\u30f3 \u30d5\u30a1\u30a4\u30eb\u306b\u8907\u6570\u306e A \u30ec\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3067\u7c21\u5358\u306b\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002\u8907\u96d1\u306a\u69cb\u6210\u3084\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3084\u30b5\u30fc\u30d0\u30fc\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u306e\u5909\u66f4\u306f\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<\/li>\n

    4. \n

      \u4f4e\u30b3\u30b9\u30c8<\/strong>DNS \u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u306f\u3001\u7279\u6b8a\u306a\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3084\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u5fc5\u8981\u3068\u3057\u306a\u3044\u305f\u3081\u3001\u4e2d\u5c0f\u4f01\u696d\u3084\u7d44\u7e54\u3067\u3082\u5229\u7528\u3067\u304d\u308b\u30b3\u30b9\u30c8\u52b9\u7387\u306e\u9ad8\u3044\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3067\u3059\u3002<\/p>\n<\/li>\n

    5. \n

      \u30bb\u30c3\u30b7\u30e7\u30f3\u306e\u6301\u7d9a\u6027<\/strong>: DNS \u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u306f\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u8907\u6570\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u5206\u6563\u3057\u307e\u3059\u304c\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u306e\u6301\u7d9a\u6027\u3092\u7dad\u6301\u3059\u308b\u6a5f\u80fd\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u306e\u7d50\u679c\u3001\u540c\u3058\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u306e\u9023\u7d9a\u3057\u305f\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u7570\u306a\u308b\u30b5\u30fc\u30d0\u30fc\u306b\u9001\u4fe1\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n

      DNS\u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u306e\u7a2e\u985e<\/h2>\n

      DNS \u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u69cb\u6210\u306b\u306f\u3001\u30b7\u30f3\u30d7\u30eb \u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u3068\u52a0\u91cd\u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u306e 2 \u3064\u306e\u4e3b\u306a\u30bf\u30a4\u30d7\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

      1. \u30b7\u30f3\u30d7\u30eb\u306a\u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3<\/h3>\n

      \u5358\u7d14\u306a\u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u65b9\u5f0f\u3067\u306f\u3001\u3059\u3079\u3066\u306e IP \u30a2\u30c9\u30ec\u30b9\u304c\u5e73\u7b49\u306b\u6271\u308f\u308c\u3001DNS \u30ea\u30be\u30eb\u30d0\u306f\u305d\u308c\u3089\u3092\u9806\u756a\u306b\u5faa\u74b0\u3057\u307e\u3059\u3002\u3059\u3079\u3066\u306e\u30b5\u30fc\u30d0\u30fc\u306e\u5bb9\u91cf\u304c\u540c\u7b49\u3067\u3042\u308b\u3068\u4eee\u5b9a\u3059\u308b\u3068\u3001\u5404\u30b5\u30fc\u30d0\u30fc\u306f\u7740\u4fe1\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u5747\u7b49\u306b\u53d7\u3051\u53d6\u308a\u307e\u3059\u3002<\/p>\n

      2. \u52a0\u91cd\u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3<\/h3>\n

      \u52a0\u91cd\u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u306f\u3001IP \u30a2\u30c9\u30ec\u30b9\u306b\u512a\u5148\u9806\u4f4d\u306e\u6982\u5ff5\u3092\u5c0e\u5165\u3057\u307e\u3059\u3002\u5404 IP \u30a2\u30c9\u30ec\u30b9\u306b\u306f\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u51e6\u7406\u3059\u308b\u5bb9\u91cf\u307e\u305f\u306f\u80fd\u529b\u3092\u793a\u3059\u91cd\u307f\u5024\u304c\u5272\u308a\u5f53\u3066\u3089\u308c\u307e\u3059\u3002DNS \u30ea\u30be\u30eb\u30d0\u306f\u3001\u91cd\u307f\u306b\u57fa\u3065\u3044\u3066 IP \u30a2\u30c9\u30ec\u30b9\u3092\u5faa\u74b0\u3057\u3001\u5404\u30b5\u30fc\u30d0\u30fc\u306e\u5bb9\u91cf\u306b\u6bd4\u4f8b\u3057\u3066\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u5206\u6563\u3057\u307e\u3059\u3002<\/p>\n

      2 \u7a2e\u985e\u306e DNS \u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u306e\u6bd4\u8f03\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n\n\n\n\n
      \u7279\u5fb4<\/th>\n\u30b7\u30f3\u30d7\u30eb\u306a\u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3<\/th>\n\u52a0\u91cd\u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3<\/th>\n<\/tr>\n<\/thead>\n
      \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u5206\u6563<\/td>\n\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u5747\u7b49\u914d\u5206<\/td>\n\u91cd\u307f\u4ed8\u3051\u306b\u57fa\u3065\u304f\u6bd4\u4f8b\u914d\u5206<\/td>\n<\/tr>\n
      \u69cb\u6210<\/td>\n\u3059\u3079\u3066\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u5747\u4e00\u306a\u91cd\u307f<\/td>\n\u5404\u30b5\u30fc\u30d0\u30fc\u306e\u91cd\u307f\u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u53ef\u80fd<\/td>\n<\/tr>\n
      \u30e6\u30fc\u30b9\u30b1\u30fc\u30b9<\/td>\n\u30b5\u30fc\u30d0\u30fc\u306e\u5bb9\u91cf\u304c\u540c\u7b49\u306e\u5834\u5408\u306b\u9069\u3057\u3066\u3044\u307e\u3059<\/td>\n\u30b5\u30fc\u30d0\u30fc\u306e\u5bb9\u91cf\u304c\u7570\u306a\u308b\u5834\u5408\u306b\u63a8\u5968<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      DNS\u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u306e\u4f7f\u7528\u65b9\u6cd5\u3001\u4f7f\u7528\u306b\u95a2\u9023\u3059\u308b\u554f\u984c\u3068\u305d\u306e\u89e3\u6c7a\u7b56<\/h2>\n

      DNS\u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u306e\u4f7f\u7528\u65b9\u6cd5<\/h3>\n
        \n
      1. \n

        \u8ca0\u8377\u5206\u6563: DNS \u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u306f\u3001\u904e\u8ca0\u8377\u3092\u9632\u304e\u3001\u5fdc\u7b54\u6642\u9593\u3092\u6539\u5584\u3059\u308b\u305f\u3081\u306b\u3001\u8907\u6570\u306e Web \u30b5\u30fc\u30d0\u30fc\u306b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u5206\u6563\u3059\u308b\u305f\u3081\u306b\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n

      2. \n

        \u9ad8\u53ef\u7528\u6027: \u8907\u6570\u306e IP \u30a2\u30c9\u30ec\u30b9\u3092\u5358\u4e00\u306e\u30c9\u30e1\u30a4\u30f3\u306b\u95a2\u9023\u4ed8\u3051\u308b\u3053\u3068\u306b\u3088\u308a\u3001DNS \u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u3067\u306f\u30011 \u3064\u306e\u30b5\u30fc\u30d0\u30fc\u304c\u4f7f\u7528\u3067\u304d\u306a\u304f\u306a\u3063\u305f\u5834\u5408\u3067\u3082\u3001\u4ed6\u306e\u30b5\u30fc\u30d0\u30fc\u304c\u7740\u4fe1\u8981\u6c42\u3092\u51e6\u7406\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n

      3. \n

        \u5730\u7406\u7684\u8ca0\u8377\u5206\u6563: DNS \u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30e6\u30fc\u30b6\u30fc\u3092\u5730\u7406\u7684\u306b\u8fd1\u3044\u30b5\u30fc\u30d0\u30fc\u306b\u8a98\u5c0e\u3057\u3001\u5f85\u3061\u6642\u9593\u3092\u6e1b\u3089\u3057\u3066\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n

        \u554f\u984c\u3068\u89e3\u6c7a\u7b56<\/h3>\n
          \n
        1. \n

          \u30bb\u30c3\u30b7\u30e7\u30f3 \u30a2\u30d5\u30a3\u30cb\u30c6\u30a3\u306e\u6b20\u5982: DNS \u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u306b\u306f\u30bb\u30c3\u30b7\u30e7\u30f3 \u30a2\u30d5\u30a3\u30cb\u30c6\u30a3\u307e\u305f\u306f\u30b9\u30c6\u30a3\u30c3\u30ad\u30fc \u30bb\u30c3\u30b7\u30e7\u30f3\u304c\u306a\u3044\u305f\u3081\u3001\u540c\u3058\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u306e\u9023\u7d9a\u3057\u305f\u8981\u6c42\u304c\u7570\u306a\u308b\u30b5\u30fc\u30d0\u30fc\u306b\u9001\u4fe1\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30b7\u30e7\u30c3\u30d4\u30f3\u30b0 \u30ab\u30fc\u30c8\u306e\u30c7\u30fc\u30bf\u304c\u5931\u308f\u308c\u308b\u306a\u3069\u3001\u30e6\u30fc\u30b6\u30fc \u30bb\u30c3\u30b7\u30e7\u30f3\u306e\u7dad\u6301\u306b\u95a2\u3059\u308b\u554f\u984c\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u554f\u984c\u306e\u89e3\u6c7a\u7b56\u306b\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u307e\u305f\u306f\u30ed\u30fc\u30c9 \u30d0\u30e9\u30f3\u30b5\u30fc \u30ec\u30d9\u30eb\u3067\u30bb\u30c3\u30b7\u30e7\u30f3\u306e\u6c38\u7d9a\u6027\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n

        2. \n

          \u4e0d\u5747\u7b49\u306a\u8ca0\u8377\u5206\u6563: \u5358\u7d14\u306a\u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u306e\u5834\u5408\u3001\u7570\u306a\u308b\u5bb9\u91cf\u3092\u6301\u3064\u30b5\u30fc\u30d0\u30fc\u304c\u540c\u3058\u91cf\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u53d7\u4fe1\u3059\u308b\u305f\u3081\u3001\u8ca0\u8377\u5206\u6563\u304c\u975e\u52b9\u7387\u7684\u306b\u306a\u308a\u307e\u3059\u3002\u91cd\u307f\u4ed8\u3051\u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u306f\u3001\u7ba1\u7406\u8005\u304c\u30b5\u30fc\u30d0\u30fc\u306e\u5bb9\u91cf\u306b\u57fa\u3065\u3044\u3066\u7570\u306a\u308b\u91cd\u307f\u3092\u5272\u308a\u5f53\u3066\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u305f\u3081\u3001\u3053\u306e\u554f\u984c\u306b\u5bfe\u51e6\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<\/li>\n

        3. \n

          \u30b5\u30fc\u30d0\u30fc \u30d8\u30eb\u30b9\u76e3\u8996: DNS \u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u30d8\u30eb\u30b9\u72b6\u614b\u3092\u8003\u616e\u3057\u307e\u305b\u3093\u3002\u30b5\u30fc\u30d0\u30fc\u304c\u5fdc\u7b54\u3057\u306a\u304f\u306a\u3063\u305f\u308a\u30aa\u30d5\u30e9\u30a4\u30f3\u306b\u306a\u3063\u305f\u308a\u3057\u3066\u3082\u3001DNS \u306f\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u305d\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3057\u7d9a\u3051\u307e\u3059\u3002\u3053\u308c\u306b\u5bfe\u51e6\u3059\u308b\u305f\u3081\u306b\u3001\u5916\u90e8\u306e\u30d8\u30eb\u30b9 \u30c1\u30a7\u30c3\u30af\u304a\u3088\u3073\u76e3\u8996\u30b7\u30b9\u30c6\u30e0\u3092\u4f7f\u7528\u3057\u3066\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u969c\u5bb3\u3092\u691c\u51fa\u3057\u3001\u5f71\u97ff\u3092\u53d7\u3051\u308b IP \u30a2\u30c9\u30ec\u30b9\u3092 DNS \u5fdc\u7b54\u304b\u3089\u524a\u9664\u3059\u308b\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

          DNS \u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u3068 DNS \u8ca0\u8377\u5206\u6563<\/h3>\n

          DNS \u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u3068 DNS \u8ca0\u8377\u5206\u6563\u306f\u3001\u540c\u3058\u610f\u5473\u3067\u4f7f\u308f\u308c\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u304c\u3001\u660e\u78ba\u306a\u9055\u3044\u304c\u3042\u308a\u307e\u3059\u3002DNS \u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u306f\u3001IP \u30a2\u30c9\u30ec\u30b9\u306e\u30ea\u30b9\u30c8\u3092\u5faa\u74b0\u3059\u308b\u3053\u3068\u3067\u8907\u6570\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u5206\u6563\u3057\u307e\u3059\u304c\u3001DNS \u8ca0\u8377\u5206\u6563\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0 (\u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u3001\u6700\u5c0f\u63a5\u7d9a\u3001\u91cd\u307f\u4ed8\u3051\u306a\u3069) \u3092\u4f7f\u7528\u3057\u3066\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3001\u5fdc\u7b54\u6642\u9593\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u5065\u5168\u6027\u306b\u57fa\u3065\u3044\u3066\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30a4\u30f3\u30c6\u30ea\u30b8\u30a7\u30f3\u30c8\u306b\u8a98\u5c0e\u3057\u307e\u3059\u3002DNS \u8ca0\u8377\u5206\u6563\u306f\u901a\u5e38\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u5206\u6563\u3092\u7ba1\u7406\u3059\u308b\u305f\u3081\u306b\u5c02\u7528\u306e\u30ed\u30fc\u30c9 \u30d0\u30e9\u30f3\u30b5\u30fc\u306b\u4f9d\u5b58\u3057\u3066\u304a\u308a\u3001DNS \u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u306b\u6bd4\u3079\u3066\u3088\u308a\u9ad8\u5ea6\u306a\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n

          DNS \u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u3068\u30a8\u30cb\u30fc\u30ad\u30e3\u30b9\u30c8<\/h3>\n

          \u30a8\u30cb\u30fc\u30ad\u30e3\u30b9\u30c8\u306f\u3001DNS \u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u3068\u985e\u4f3c\u70b9\u3092\u6301\u3064\u5225\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u624b\u6cd5\u3067\u3059\u3002\u30a8\u30cb\u30fc\u30ad\u30e3\u30b9\u30c8\u3067\u306f\u3001\u8907\u6570\u306e\u30b5\u30fc\u30d0\u30fc\u304c\u3055\u307e\u3056\u307e\u306a\u5834\u6240\u304b\u3089\u540c\u3058 IP \u30a2\u30c9\u30ec\u30b9\u3092\u30a2\u30c9\u30d0\u30bf\u30a4\u30ba\u3057\u307e\u3059\u3002\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u30a8\u30cb\u30fc\u30ad\u30e3\u30b9\u30c8 IP \u30a2\u30c9\u30ec\u30b9\u306b\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u884c\u3046\u3068\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306f\u30dc\u30fc\u30c0\u30fc \u30b2\u30fc\u30c8\u30a6\u30a7\u30a4 \u30d7\u30ed\u30c8\u30b3\u30eb (BGP) \u3092\u4f7f\u7528\u3057\u3066\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u6700\u3082\u8fd1\u3044\u5229\u7528\u53ef\u80fd\u306a\u30b5\u30fc\u30d0\u30fc\u306b\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3057\u307e\u3059\u3002DNS \u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u3068\u306f\u7570\u306a\u308a\u3001\u30a8\u30cb\u30fc\u30ad\u30e3\u30b9\u30c8\u3067\u306f IP \u30a2\u30c9\u30ec\u30b9\u3092\u5faa\u74b0\u3055\u305b\u308b\u5fc5\u8981\u306f\u306a\u304f\u3001\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0 \u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u304c\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u6700\u3082\u8fd1\u3044\u30b5\u30fc\u30d0\u30fc\u306b\u8a98\u5c0e\u3057\u307e\u3059\u3002<\/p>\n

          DNS\u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u306b\u95a2\u3059\u308b\u4eca\u5f8c\u306e\u5c55\u671b\u3068\u6280\u8853<\/h2>\n

          \u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u304c\u9032\u5316\u3057\u7d9a\u3051\u308b\u306b\u3064\u308c\u3066\u3001DNS \u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u306f\u3001\u30b7\u30f3\u30d7\u30eb\u3067\u30b3\u30b9\u30c8\u52b9\u7387\u306e\u9ad8\u3044\u8ca0\u8377\u5206\u6563\u6280\u8853\u3068\u3057\u3066\u305d\u306e\u91cd\u8981\u6027\u3092\u7dad\u6301\u3059\u308b\u3068\u601d\u308f\u308c\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30af\u30e9\u30a6\u30c9\u30d9\u30fc\u30b9\u306e\u30b5\u30fc\u30d3\u30b9\u306e\u5897\u52a0\u3068\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u8907\u96d1\u5316\u306b\u4f34\u3044\u3001\u7d44\u7e54\u306f DNS \u30d9\u30fc\u30b9\u306e\u30b0\u30ed\u30fc\u30d0\u30eb \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u7ba1\u7406\u3084\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5bfe\u5fdc\u306e\u8ca0\u8377\u5206\u6563\u306a\u3069\u306e\u9ad8\u5ea6\u306a\u8ca0\u8377\u5206\u6563\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u9078\u629e\u3059\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u307e\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n

          DNS \u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u3092\u81ea\u52d5\u5316\u3057\u3001\u30af\u30e9\u30a6\u30c9 \u30b5\u30fc\u30d3\u30b9 \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306e\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306b\u7d71\u5408\u3059\u308b\u3068\u3001\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u3068\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u304c\u7c21\u7d20\u5316\u3055\u308c\u3001\u3088\u308a\u5e45\u5e83\u3044\u30e6\u30fc\u30b6\u30fc\u304c\u5229\u7528\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n

          \u30d7\u30ed\u30ad\u30b7\u30b5\u30fc\u30d0\u30fc\u3092DNS\u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u3068\u95a2\u9023\u4ed8\u3051\u308b\u65b9\u6cd5<\/h2>\n

          \u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3068 DNS \u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u306f\u76f8\u4e92\u306b\u88dc\u5b8c\u3057\u5408\u3044\u3001Web \u30b5\u30fc\u30d3\u30b9\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u4fe1\u983c\u6027\u3092\u3055\u3089\u306b\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068 Web \u30b5\u30fc\u30d0\u30fc\u9593\u306e\u4ef2\u4ecb\u5f79\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u4ee3\u308f\u3063\u3066\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3057\u3066\u8ee2\u9001\u3057\u307e\u3059\u3002DNS \u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u3092\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3068\u7d71\u5408\u3059\u308b\u3053\u3068\u3067\u3001\u7d44\u7e54\u306f\u6b21\u306e\u3053\u3068\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n

            \n
          1. \n

            \u8ca0\u8377\u5206\u6563: \u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u306e\u53d7\u4fe1\u8981\u6c42\u3092\u51e6\u7406\u3057\u3001DNS \u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u3092\u4f7f\u7528\u3057\u3066\u69cb\u6210\u3055\u308c\u305f\u30d0\u30c3\u30af\u30a8\u30f3\u30c9 \u30b5\u30fc\u30d0\u30fc\u9593\u3067\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u5206\u6563\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u3088\u308a\u3001\u8ca0\u8377\u5206\u6563\u6a5f\u80fd\u304c\u5f37\u5316\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n

          2. \n

            \u30ad\u30e3\u30c3\u30b7\u30e5: \u30d7\u30ed\u30ad\u30b7\u306f\u983b\u7e41\u306b\u30a2\u30af\u30bb\u30b9\u3055\u308c\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3067\u304d\u308b\u305f\u3081\u3001\u30d0\u30c3\u30af\u30a8\u30f3\u30c9 \u30b5\u30fc\u30d0\u30fc\u306e\u8ca0\u8377\u304c\u8efd\u6e1b\u3055\u308c\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u5fdc\u7b54\u6642\u9593\u304c\u6539\u5584\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n

          3. \n

            \u5730\u7406\u4f4d\u7f6e\u60c5\u5831\u30d9\u30fc\u30b9\u306e\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0: \u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f DNS \u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u3092\u4f7f\u7528\u3057\u3066\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u5730\u7406\u7684\u306b\u8fd1\u3044\u30d0\u30c3\u30af\u30a8\u30f3\u30c9 \u30b5\u30fc\u30d0\u30fc\u306b\u8a98\u5c0e\u3057\u3001\u5168\u4f53\u7684\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n

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

            DNS \u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\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. RFC 970: \u7121\u9650\u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u5099\u3048\u305f\u30d1\u30b1\u30c3\u30c8\u30b9\u30a4\u30c3\u30c1\u306b\u3064\u3044\u3066<\/a><\/li>\n
            2. RFC 1794: \u8ca0\u8377\u5206\u6563\u306e\u305f\u3081\u306e DNS \u30b5\u30dd\u30fc\u30c8<\/a><\/li>\n
            3. DNS \u8ca0\u8377\u5206\u6563\u306e\u6982\u8981<\/a><\/li>\n
            4. \u30a8\u30cb\u30fc\u30ad\u30e3\u30b9\u30c8\u3068 DNS \u30ed\u30fc\u30c9 \u30d0\u30e9\u30f3\u30b7\u30f3\u30b0<\/a><\/li>\n<\/ol>\n

              DNS \u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u306f\u3001\u5229\u7528\u53ef\u80fd\u306a\u591a\u304f\u306e\u8ca0\u8377\u5206\u6563\u624b\u6cd5\u306e 1 \u3064\u306b\u3059\u304e\u306a\u3044\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u7279\u5b9a\u306e\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3068\u8981\u4ef6\u306b\u3088\u3063\u3066\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u30d9\u30fc\u30b9\u306e\u30ed\u30fc\u30c9 \u30d0\u30e9\u30f3\u30b5\u30fc\u3084\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u914d\u4fe1\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u306a\u3069\u306e\u4ed6\u306e\u8ca0\u8377\u5206\u6563\u30a2\u30d7\u30ed\u30fc\u30c1\u306e\u65b9\u304c\u9069\u3057\u3066\u3044\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u5e38\u306b\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u306e\u56fa\u6709\u306e\u30cb\u30fc\u30ba\u3092\u8003\u616e\u3057\u3001IT \u5c02\u9580\u5bb6\u306b\u76f8\u8ac7\u3057\u3066\u3001\u7d44\u7e54\u306b\u6700\u9069\u306a\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u88c5\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>","protected":false},"featured_media":476934,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476933","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about DNS Round-Robin: A Comprehensive Guide<\/mark>","faq_items":[{"question":"What is DNS round-robin and how does it work?<\/strong>","answer":"

              DNS round-robin is a load balancing technique that distributes incoming network traffic across multiple servers in a rotating manner. When a client requests the IP address for a domain, DNS returns one of the IP addresses associated with the domain in a sequential order. Subsequent requests from other clients receive different IP addresses from the pool, ensuring even distribution of traffic among the servers.<\/p>"},{"question":"Where did DNS round-robin originate, and when was it first mentioned?<\/strong>","answer":"

              The concept of DNS round-robin dates back to the early days of the Internet. The first mention of DNS round-robin can be traced back to RFC 970, published in 1985, which introduced the idea of multiple IP addresses associated with a single domain.<\/p>"},{"question":"What are the main features and benefits of DNS round-robin?<\/strong>","answer":"

              DNS round-robin offers several key features:<\/p>

              1. Load Distribution:<\/strong> It evenly distributes incoming traffic among multiple servers, preventing overloading of any single server.<\/li>
              2. High Availability:<\/strong> By associating multiple servers with a domain, it ensures redundancy and fault tolerance.<\/li>
              3. Ease of Implementation:<\/strong> Setting up DNS round-robin is simple, requiring only multiple A records in the DNS zone file.<\/li>
              4. Cost-Effectiveness:<\/strong> DNS round-robin doesn't require specialized hardware or software, making it a cost-effective solution.<\/li><\/ol>"},{"question":"What are the different types of DNS round-robin?<\/strong>","answer":"

                There are two primary types of DNS round-robin:<\/p>

                1. Simple Round-Robin:<\/strong> It treats all IP addresses equally and cycles through them sequentially.<\/li>
                2. Weighted Round-Robin:<\/strong> It assigns priority to IP addresses based on weights, distributing traffic proportionally to server capacities.<\/li><\/ol>"},{"question":"How can DNS round-robin be used, and what problems may arise?<\/strong>","answer":"

                  DNS round-robin can be used for:<\/p>

                  1. Load Balancing:<\/strong> Distributing traffic across multiple servers.<\/li>
                  2. High Availability:<\/strong> Ensuring server redundancy.<\/li>
                  3. Geographic Load Balancing:<\/strong> Directing clients to nearby servers.<\/li><\/ol>

                    Common problems include:<\/p>

                    1. Lack of Session Affinity:<\/strong> Consecutive requests from the same client may reach different servers.<\/li>
                    2. Uneven Load Distribution:<\/strong> Servers with varying capacities may receive the same amount of traffic.<\/li>
                    3. Server Health Monitoring:<\/strong> Unresponsive servers may still receive traffic.<\/li><\/ol>"},{"question":"How does DNS round-robin compare to DNS load balancing and Anycast?<\/strong>","answer":"

                      DNS round-robin distributes traffic by cycling through a list of IP addresses, while DNS load balancing uses algorithms to intelligently direct traffic based on server performance. Anycast involves advertising the same IP address from multiple locations, routing clients to the nearest server using BGP.<\/p>"},{"question":"How can proxy servers be associated with DNS round-robin?<\/strong>","answer":"

                      Proxy servers can work with DNS round-robin to:<\/p>

                      1. Load Distribution:<\/strong> Handle incoming requests and distribute traffic among backend servers.<\/li>
                      2. Caching:<\/strong> Cache frequently accessed content, improving response times.<\/li>
                      3. Geolocation-based Routing:<\/strong> Use DNS round-robin to direct clients to geographically closer servers.<\/li><\/ol>"},{"question":"What can I expect in the future regarding DNS round-robin and load balancing?<\/strong>","answer":"

                        DNS round-robin is likely to maintain its relevance as a simple and cost-effective load balancing technique. However, more advanced load balancing solutions, integrated with cloud services and application-aware algorithms, may become popular for complex architectures.<\/p>"},{"question":"Where can I find more information about DNS round-robin?<\/strong>","answer":"

                        For more details, check out these resources:<\/p>

                        1. RFC 970: On Packet Switches With Infinite Storage<\/a><\/li>
                        2. RFC 1794: DNS Support for Load Balancing<\/a><\/li>
                        3. Introduction to DNS Load Balancing<\/a><\/li>
                        4. Anycast vs. DNS Load Balancing<\/a><\/li><\/ol>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/476933","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\/476933\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media\/476934"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media?parent=476933"}],"curies":[{"name":"\u3046\u30fc\u3093","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}