{"id":3975,"date":"2022-08-22T12:23:01","date_gmt":"2022-08-22T12:23:01","guid":{"rendered":"https:\/\/techsgizmo.com\/jp\/?p=3975"},"modified":"2022-08-22T12:23:01","modified_gmt":"2022-08-22T12:23:01","slug":"%e8%a6%81%e6%b1%82%e3%81%95%e3%82%8c%e3%81%9f%e4%b8%80%e6%99%82%e5%81%9c%e6%ad%a2%e3%81%ae%e7%b6%9a%e8%a1%8c%e3%81%be%e3%81%9f%e3%81%af%e5%81%9c%e6%ad%a2%e3%82%92%e4%bf%ae%e6%ad%a3%e3%81%99%e3%82%8b","status":"publish","type":"post","link":"https:\/\/techsgizmo.com\/jp\/%e8%a6%81%e6%b1%82%e3%81%95%e3%82%8c%e3%81%9f%e4%b8%80%e6%99%82%e5%81%9c%e6%ad%a2%e3%81%ae%e7%b6%9a%e8%a1%8c%e3%81%be%e3%81%9f%e3%81%af%e5%81%9c%e6%ad%a2%e3%82%92%e4%bf%ae%e6%ad%a3%e3%81%99%e3%82%8b","title":{"rendered":"\u8981\u6c42\u3055\u308c\u305f\u4e00\u6642\u505c\u6b62\u306e\u7d9a\u884c\u307e\u305f\u306f\u505c\u6b62\u3092\u4fee\u6b63\u3059\u308b\u65b9\u6cd5\u306f\u3001\u3053\u306e\u30b5\u30fc\u30d3\u30b9\u306e\u554f\u984c\u306b\u306f\u7121\u52b9\u3067\u3059?"},"content":{"rendered":"

DNSCache\u3001Winmgmt\u3001TrustedInstaller \u304b\u3089\u30a8\u30e9\u30fc \u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u9001\u4fe1\u3055\u308c\u305f\u5834\u5408\u3001\u8981\u6c42\u3055\u308c\u305f\u4e00\u6642\u505c\u6b62\u306e\u7d9a\u884c\u307e\u305f\u306f\u505c\u6b62\u306f\u3053\u306e\u30b5\u30fc\u30d3\u30b9\u3067\u306f\u6709\u52b9\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u306e\u6295\u7a3f\u306b\u8208\u5473\u304c\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u304a\u305d\u3089\u304f\u3001Windows OS \u30b7\u30b9\u30c6\u30e0\u3067\u5909\u66f4\u304c\u884c\u308f\u308c\u3066\u3044\u308b\u305f\u3081\u3001DNS \u30ad\u30e3\u30c3\u30b7\u30e5 \u30b5\u30fc\u30d3\u30b9\u3092\u505c\u6b62\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n

\u30ea\u30af\u30a8\u30b9\u30c8\u3055\u308c\u305f\u4e00\u6642\u505c\u6b62\u306b\u3064\u3044\u3066\u7d9a\u884c\u307e\u305f\u306f\u505c\u6b62\u306f\u3001\u3053\u306e\u30b5\u30fc\u30d3\u30b9\u306b\u306f\u7121\u52b9\u3067\u3059<\/h3>\n

\"\"<\/p>\n

DNS \u30af\u30e9\u30a4\u30a2\u30f3\u30c8 \u30b5\u30fc\u30d3\u30b9\u304c DNS \u306e\u89e3\u6c7a\u306b\u5f79\u7acb\u3064\u3053\u3068\u306f\u3001\u7686\u3055\u3093\u3082\u3054\u5b58\u77e5\u3067\u3057\u3087\u3046\u3002\u6700\u521d\u306b\u30ed\u30fc\u30ab\u30eb\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u304b\u3001\u4ee5\u524d\u306b\u30af\u30a8\u30ea\u304c\u4f5c\u6210\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u30ea\u30e2\u30fc\u30c8 DNS \u30b5\u30fc\u30d0\u30fc\u306b\u63a5\u7d9a\u3057\u307e\u3059\u3002\u3053\u306e\u30b5\u30fc\u30d3\u30b9\u3067\u554f\u984c\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306f\u3001\u6700\u521d\u306b\u7c21\u5358\u306a\u518d\u8d77\u52d5\u3092\u884c\u3046\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n

\u305f\u3060\u3057\u3001\u4f55\u3089\u304b\u306e\u7406\u7531\u306b\u3088\u308a\u3001\u4e0a\u8a18\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u5b9f\u884c\u3067\u304d\u305a\u3001\u8981\u6c42\u3055\u308c\u305f\u4e00\u6642\u505c\u6b62\u306e\u7d9a\u884c\u307e\u305f\u306f\u505c\u6b62\u304c\u3053\u306e\u30b5\u30fc\u30d3\u30b9\u306b\u306f\u7121\u52b9\u3067\u3042\u308b\u3068\u3044\u3046\u30a8\u30e9\u30fc \u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u5e38\u306b\u8868\u793a\u3055\u308c\u308b\u5834\u5408\u306f\u3001\u3053\u306e\u8a18\u4e8b\u304c\u554f\u984c\u306e\u89e3\u6c7a\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n

\u4eba\u3005\u306f\u3001\u30b3\u30de\u30f3\u30c9\u304b\u3089\u305d\u306e\u3088\u3046\u306a\u64cd\u4f5c\u3092\u5b9f\u884c\u3059\u308b\u3068\u304d\u3001\u307e\u305f\u306f\u30b5\u30fc\u30d3\u30b9\u30b9\u30ca\u30c3\u30d7\u30a4\u30f3\u306b\u79fb\u52d5\u3057\u3066DNS\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30b5\u30fc\u30d3\u30b9\u3092\u958b\u304f\u3068\u304d\u306b\u3001\u7121\u52b9\u307e\u305f\u306f\u5229\u7528\u3067\u304d\u306a\u3044\u3053\u3068\u304c\u308f\u304b\u3063\u305f\u3068\u5831\u544a\u3057\u307e\u3057\u305f.\u3053\u308c\u306f\u3001Windows 10 21 H1 \u4ee5\u964d\u304a\u3088\u3073 Windows 11 \u3067\u767a\u751f\u3059\u308b\u554f\u984c\u3067\u3059\u3002<\/p>\n

\"\"<\/p>\n

\u7ba1\u7406\u8005\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u542b\u3080\u3059\u3079\u3066\u306e\u30e6\u30fc\u30b6\u30fc \u30a2\u30ab\u30a6\u30f3\u30c8\u306b\u5bfe\u3057\u3066\u3001\u3059\u3079\u3066\u306e\u30e6\u30fc\u30b6\u30fc \u30d9\u30fc\u30b9\u306e\u64cd\u4f5c\u304c\u7121\u52b9\u306b\u306a\u308a\u307e\u3059\u3002 flushdns\u3001displaydns \u306a\u3069\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u6a5f\u80fd\u3057\u307e\u3059\u304c\u3001\u3053\u308c\u306f\u6a5f\u80fd\u3057\u307e\u305b\u3093\u3002\u6700\u3082\u5384\u4ecb\u306a\u90e8\u5206\u306f\u3001\u5909\u66f4\u3084\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u6642\u9593\u304c\u9577\u304f\u306a\u308a\u3001Web \u30b5\u30a4\u30c8\u3078\u306e\u30a2\u30af\u30bb\u30b9\u304c\u56f0\u96e3\u306b\u306a\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n

\n

\u30e6\u30fc\u30b6\u30fc\u304c\u53d7\u3051\u53d6\u308b\u5b8c\u5168\u306a\u30a8\u30e9\u30fc \u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u8aad\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u8981\u6c42\u3055\u308c\u305f\u4e00\u6642\u505c\u6b62\u3001\u7d9a\u884c\u3001\u307e\u305f\u306f\u505c\u6b62\u306f\u3001\u3053\u306e\u30b5\u30fc\u30d3\u30b9\u306b\u306f\u7121\u52b9\u3067\u3059\u3002<\/p>\n

NET HELPMSG 2191 \u3068\u5165\u529b\u3059\u308b\u3068\u3001\u3055\u3089\u306b\u30d8\u30eb\u30d7\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n

\u30cd\u30c3\u30c8\u30d8\u30eb\u30d7\u30e1\u30c3\u30bb\u30fc\u30b8 2191<\/p>\n<\/blockquote>\n

DNS \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u518d\u8d77\u52d5\u3059\u308b\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u306a\u3044\u5834\u5408\u306f\u3069\u3046\u3059\u308c\u3070\u3088\u3044\u3067\u3059\u304b?<\/h4>\n

\u305d\u306e\u5834\u5408\u306f\u3001\u7ba1\u7406\u8005\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u30ec\u30b8\u30b9\u30c8\u30ea \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u9593\u9055\u3044\u3092\u72af\u3057\u305f\u5834\u5408\u306b\u3044\u3064\u3067\u3082\u5143\u306b\u623b\u305b\u308b\u3088\u3046\u306b\u3001\u30ec\u30b8\u30b9\u30c8\u30ea\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u4f5c\u6210\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n

    \n
  • Run Command \u3092\u958b\u304d\u3001regedit \u3068\u5165\u529b\u3057\u3066 Enter \u30ad\u30fc\u3092\u62bc\u3057\u307e\u3059\u3002<\/li>\n
  • \u30ec\u30b8\u30b9\u30c8\u30ea \u30a8\u30c7\u30a3\u30bf \u30a6\u30a3\u30f3\u30c9\u30a6\u306b\u79fb\u52d5\u3057\u305f\u3089\u3001\u6b21\u306e\u5834\u6240\u306b\u79fb\u52d5\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n

    HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\DNSCache\\Parameters<\/p>\n

      \n
    • open-area \u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3001\u65b0\u3057\u3044 DWORD \u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/li>\n
    • \u540d\u524d\u3092 MaxCacheTtl \u3068\u3057\u3066\u8a2d\u5b9a\u3057\u3001\u5024\u3092\u79d2\u5358\u4f4d\u3067\u8a2d\u5b9a\u3057\u307e\u3059 (\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u306f 864 \u79d2\u3067\u30011 \u65e5\u3092\u793a\u3057\u307e\u3059)\u3002<\/li>\n
    • \u540c\u3058\u64cd\u4f5c\u3092\u7e70\u308a\u8fd4\u3057\u3001MaxNegativeCacheTtl \u3068\u3044\u3046\u540d\u524d\u3067\u5024\u304c 5 \u306e\u5225\u306e DWORD \u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/li>\n
    • \u3053\u308c\u306b\u3088\u308a\u3001DNS \u30ad\u30e3\u30c3\u30b7\u30e5\u304c 1 \u6642\u9593\u306b 1 \u56de\u66f4\u65b0\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n

      \u305f\u3060\u3057\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u30af\u30ea\u30a2 \u30b3\u30de\u30f3\u30c9\u306f\u6a5f\u80fd\u3057\u3001\u30b3\u30de\u30f3\u30c9 \u30d7\u30ed\u30f3\u30d7\u30c8\u307e\u305f\u306f PowerShell \u304b\u3089\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002\u3069\u3061\u3089\u3082\u30ed\u30fc\u30ab\u30eb\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3057\u307e\u3059\u3002\u3053\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u5b9f\u884c\u3057\u3066\u304b\u3089\u518d\u8d77\u52d5\u3057\u3001\u8981\u6c42\u3055\u308c\u305f\u4e00\u6642\u505c\u6b62\u306e\u7d9a\u884c\u307e\u305f\u306f\u505c\u6b62\u306e\u4fee\u6b63\u304c\u3053\u306e\u30b5\u30fc\u30d3\u30b9\u306e\u554f\u984c\u306b\u5bfe\u3057\u3066\u6709\u52b9\u3067\u306a\u3044\u5834\u5408\u306f\u3001\u6b21\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n

      Web \u30b5\u30a4\u30c8\u540d\u3092 IP \u30a2\u30c9\u30ec\u30b9\u306b\u89e3\u6c7a\u3057\u3001Web \u30b5\u30a4\u30c8\u306e\u8aad\u307f\u8fbc\u307f\u3092\u9ad8\u901f\u5316\u3059\u308b DNS Resolver Cache<\/h4>\n

      Windows \u306f\u3001Web \u30b5\u30a4\u30c8\u540d\u306e IP \u30a2\u30c9\u30ec\u30b9\u306e\u30b3\u30d4\u30fc\u3092\u30ed\u30fc\u30ab\u30eb \u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u4fdd\u6301\u3057\u307e\u3059\u3002\u5b9a\u671f\u7684\u306b\u66f4\u65b0\u3055\u308c\u308b\u305f\u3081\u3001\u3046\u307e\u304f\u6a5f\u80fd\u3057\u307e\u3059\u3002 Web \u30d6\u30e9\u30a6\u30b6\u30fc\u304c DNS \u306b\u63a5\u7d9a\u3059\u308b\u5fc5\u8981\u304c\u306a\u304f\u3001\u4ee3\u308f\u308a\u306b DNS \u3092\u4f7f\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

      \u3059\u3079\u3066\u306e Web \u30b5\u30a4\u30c8\u3068\u305d\u308c\u3089\u306e\u89e3\u6c7a\u3055\u308c\u305f IP \u30a2\u30c9\u30ec\u30b9\u3092\u8868\u793a\u3059\u308b\u306b\u306f\u3001ipconfig \/displaydns \u30b3\u30de\u30f3\u30c9 (\u30b3\u30de\u30f3\u30c9 \u30d7\u30ed\u30f3\u30d7\u30c8\u3067) \u3068 Get-DnsClientCache \u30b3\u30de\u30f3\u30c9 (PowerShell \u30b3\u30de\u30f3\u30c9\u3067) \u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u6b21\u306e\u5f62\u5f0f\u3067\u63d0\u4f9b\u3055\u308c\u307e\u3059\u3002<\/p>\n

        \n
      • \u30ec\u30b3\u30fc\u30c9\u540d\u3001<\/li>\n
      • \u30ec\u30b3\u30fc\u30c9 \u30bf\u30a4\u30d7\u3001<\/li>\n
      • \u6709\u52b9\u671f\u9593\u3001<\/li>\n
      • \u30c7\u30fc\u30bf\u9577\u3001<\/li>\n
      • \u30bb\u30af\u30b7\u30e7\u30f3\u3001<\/li>\n
      • (\u30db\u30b9\u30c8) \u30ec\u30b3\u30fc\u30c9\u3002<\/li>\n<\/ul>\n
        \u7d50\u8ad6<\/h5>\n

        \u305d\u308c\u3067\u5168\u90e8\u3067\u3059\uff01\u3053\u3053\u3067\u3001\u8981\u6c42\u3055\u308c\u305f\u4e00\u6642\u505c\u6b62\u306e\u7d99\u7d9a\u307e\u305f\u306f\u505c\u6b62\u3092\u4fee\u6b63\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306e\u8a18\u4e8b\u3092\u7de0\u3081\u304f\u304f\u308a\u307e\u3059\u3002\u3053\u306e\u30b5\u30fc\u30d3\u30b9\u306e\u554f\u984c\u306b\u306f\u7121\u52b9\u3067\u3059\u3002\u3053\u306e\u6295\u7a3f\u306b\u3088\u308a\u3001\u554f\u984c\u3078\u306e\u5bfe\u51e6\u65b9\u6cd5\u304c\u7c21\u5358\u306b\u306a\u308a\u3001\u30b5\u30fc\u30d3\u30b9\u3067 DNS \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u518d\u8d77\u52d5\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u3053\u3068\u3092\u9858\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n

        \u30d7\u30ed\u30bb\u30b9\u3092\u81ea\u52d5\u5316\u3057\u305f\u3044\u5834\u5408\u306f\u3001PC \u4fee\u5fa9\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u8003\u3048\u3089\u308c\u308b Windows \u95a2\u9023\u306e\u554f\u984c\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3001\u81ea\u52d5\u4fee\u6b63\u3092\u63d0\u4f9b\u3059\u308b\u81ea\u52d5\u30c4\u30fc\u30eb\u3067\u3059\u3002\u30b7\u30b9\u30c6\u30e0\u304c\u7834\u640d\u3057\u305f\u5834\u5408\u306b\u6709\u52b9\u306b\u6a5f\u80fd\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u30b7\u30b9\u30c6\u30e0\u6700\u9069\u5316\u6a5f\u80fd\u3067\u3082\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u3053\u306b\u76f4\u63a5\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u30ea\u30f3\u30af\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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