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<a href=\"https:\/\/webhosting.de\/ja\/%e3%83%ac%e3%82%b8%e3%82%b9%e3%83%88%e3%83%a9-%e3%83%89%e3%83%a1%e3%82%a4%e3%83%b3%e5%a4%89%e6%9b%b4%e3%82%ac%e3%82%a4%e3%83%89-%e3%82%bb%e3%82%ad%e3%83%a5%e3%82%a2-%e3%83%89%e3%83%a1%e3%82%a4\/\">\u30c9\u30e1\u30a4\u30f3\u79fb\u7ba1\u30ac\u30a4\u30c9<\/a>\u5931\u6557\u304c\u8d77\u3053\u3089\u306a\u3044\u3088\u3046\u306b\u3002<\/p>\n\n<h2>ccTLD\u3001\u30c7\u30fc\u30bf\u4fdd\u8b77\u3001\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u306e\u6982\u8981<\/h2>\n<p>\u56fd\u5225\u306eTLD\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b <strong>\u653f\u7b56\u4ed5\u69d8<\/strong> 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2025<\/h2>\n<p>\u30ec\u30b8\u30b9\u30c8\u30e9\u3068\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30d1\u30fc\u30c8\u30ca\u30fc\u3092\u9078\u3076\u3068\u304d\u3001\u79c1\u306f\u307e\u305a\u6b21\u306e\u70b9\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002 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href=\"https:\/\/webhosting.de\/ja\/%e8%87%aa%e5%88%86%e3%81%ae%e3%83%8d%e3%83%bc%e3%83%a0%e3%82%b5%e3%83%bc%e3%83%90%e3%83%bc%e3%82%92%e8%a8%ad%e5%ae%9a%e3%81%99%e3%82%8b-dns%e3%82%be%e3%83%bc%e3%83%b3-%e3%83%89%e3%83%a1%e3%82%a4\/\">\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\u306e\u8a2d\u5b9a<\/a>.\u79c1\u306f\u30b9\u30c6\u30fc\u30b8\u30f3\u30b0\u74b0\u5883\u3067\u5909\u66f4\u3092\u30c6\u30b9\u30c8\u3057\u3001\u305d\u308c\u304b\u3089\u672c\u756a\u74b0\u5883\u3067\u30ed\u30fc\u30eb\u30a2\u30a6\u30c8\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u89e3\u6c7a\u30b9\u30d4\u30fc\u30c9\u3001\u6574\u5408\u6027\u3001\u30d5\u30a9\u30fc\u30eb\u30c8\u30c8\u30ec\u30e9\u30f3\u30b9\u3092\u9ad8\u3044\u30ec\u30d9\u30eb\u306b\u4fdd\u3064\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n<h2>\u4e00\u8cab\u3057\u305f\u30e1\u30fc\u30eb\u914d\u4fe1\u306e\u5b9f\u73fe<\/h2>\n<p>SLD\u306f\u3001\u305d\u306e\u305f\u3081\u306e\u30a2\u30f3\u30ab\u30fc\u3067\u3042\u308b\u3002 <strong>\u30e1\u30fc\u30eb\u8a8d\u8a3c<\/strong>.SPF\u306f\u30d5\u30e9\u30c3\u30c8\u306b\u4fdd\u3061\uff08\u9577\u3044\u30a4\u30f3\u30af\u30eb\u30fc\u30c9\u30c1\u30a7\u30fc\u30f3\u306f\u4f7f\u308f\u306a\u3044\uff09\u3001DNS\u306e\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u3001\u53b3\u683c\u306aDMARC\u30dd\u30ea\u30b7\u30fc\u306f\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u306e\u6bb5\u968e\u3092\u7d4c\u3066\u304b\u3089\u672c\u756a\u306b\u6295\u5165\u3057\u3066\u3044\u308b\u3002DKIM\u30ad\u30fc\u306f\u8a08\u753b\u901a\u308a\u306b\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u3057\u3001\u30bb\u30ec\u30af\u30bf\u306f\u30d0\u30fc\u30b8\u30e7\u30f3\u30bb\u30fc\u30d5\u306a\u65b9\u6cd5\u3067\u30a2\u30fc\u30ab\u30a4\u30d6\u3059\u308b\u3002\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u306e\u6697\u53f7\u5316\u306b\u3064\u3044\u3066\u306f\u3001MTA-STS\u3068TLS\u306e\u30ec\u30dd\u30fc\u30c8\u3092\u78ba\u7acb\u3057\u3001\u914d\u4fe1\u7d4c\u8def\u3092\u5b9a\u671f\u7684\u306b\u5206\u6790\u3057\u3066\u3044\u308b\u3002BIMI\u306f\u3001\u30d6\u30e9\u30f3\u30c9\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3068DMARC\u306e\u30a2\u30e9\u30a4\u30f3\u30e1\u30f3\u30c8\u304c\u6e80\u305f\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306b\u306e\u307f\u4f7f\u7528\u3059\u308b\u3002\u30b9\u30d1\u30e0\u306e\u5727\u529b\u3084\u60aa\u7528\u3092\u6e1b\u3089\u3059\u305f\u3081\u3001\u30ad\u30e3\u30c3\u30c1\u30aa\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306f\u907f\u3051\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2025\/09\/domainarbeitsplatz2025_4726.png\" alt=\"\" width=\"1536\" height=\"1024\" \/>\n<\/figure>\n\n\n<h2>\u30ec\u30b8\u30b9\u30c8\u30ea\u30fb\u30ed\u30c3\u30af\u3001EPP\u30b9\u30c6\u30fc\u30bf\u30b9\u3001\u7dca\u6025\u30d7\u30e9\u30f3<\/h2>\n<p>\u898f\u683c\u306b\u3064\u3044\u3066<strong>\u30ec\u30b8\u30b9\u30c8\u30e9\u30fb\u30ed\u30c3\u30af<\/strong> 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<strong>\u30ed\u30fc\u30e9\u30fc<\/strong> 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<strong>\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u5168\u4f53<\/strong>\u9069\u5207\u306a\u30d0\u30ea\u30a2\u30f3\u30c8\u306e\u65e9\u671f\u78ba\u4fdd\u304b\u3089\u3001\u6d3b\u7528\u3068\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3001\u305d\u3057\u3066\u30af\u30ea\u30fc\u30f3\u306a\u5ec3\u6b62\u307e\u3067\u3002\u4e2d\u5fc3\u7684\u306a\u30d6\u30e9\u30f3\u30c9\u306b\u3064\u3044\u3066\u306f\u3001\u660e\u3089\u304b\u306a\u30bf\u30a4\u30d7\u30df\u30b9\u3084\u56fd\u306e\u30d0\u30ea\u30a2\u30f3\u30c8\u3092\u9632\u5fa1\u7684\u306b\u78ba\u4fdd\u3057\u307e\u3059\u304c\u3001\u5229\u76ca\u3068\u4e88\u7b97\u3092\u512a\u5148\u3057\u307e\u3059\u3002\u4e0d\u8981\u306b\u306a\u3063\u305f\u30c9\u30e1\u30a4\u30f3\u306f\u7d44\u7e54\u7684\u306b\u524a\u9664\u3059\u308b\uff1a\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u524a\u9664\u3057\u3001410\/404\u3092\u9069\u5207\u306b\u8a2d\u5b9a\u3057\u3001\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3092\u7d42\u4e86\u3057\u3001\u30e1\u30fc\u30eb\u30ec\u30b3\u30fc\u30c9\u3092\u524a\u9664\u3057\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066HSTS\u30d7\u30ea\u30ed\u30fc\u30c9\u306e\u767b\u9332\u3092\u89e3\u9664\u3057\u3001DNSSEC\u3092\u304d\u308c\u3044\u306b\u5c55\u958b\u307e\u305f\u306f\u89e3\u9664\u3059\u308b\u3002\u3053\u3046\u3057\u3066\u30c7\u30fc\u30bf\u6f0f\u6d29\u3001\u30b7\u30e3\u30c9\u30fc\u30d5\u30a9\u30ef\u30fc\u30c7\u30a3\u30f3\u30b0\u3001\u98a8\u8a55\u30ea\u30b9\u30af\u3092\u56de\u907f\u3057\u3066\u3044\u308b\u3002\u79c1\u306f\u5024\u4e0a\u3052\u3001\u30d7\u30ec\u30df\u30a2\u30e0\u30e9\u30d9\u30eb\u3001\u70ba\u66ff\u5909\u52d5\u306e\u5f71\u97ff\u3092\u4e88\u7b97\u5316\u3057\u3001\u5404\u88fd\u54c1\u30e9\u30a4\u30f3\u306e\u30b3\u30b9\u30c8\u30bb\u30f3\u30bf\u30fc\u3092\u660e\u78ba\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n<h2>\u5b9f\u8df5\u30c1\u30a7\u30c3\u30af\uff1aSLD\u6210\u529f\u306e\u305f\u3081\u306e30\u5206\u30d7\u30e9\u30f3<\/h2>\n<p>30\u5206\u3067\u540d\u524d\u3092\u78ba\u8a8d\u3057\u3001\u30c1\u30a7\u30c3\u30af\u3059\u308b 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