{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.mrmt.net%2Fentry%2F2009%2F01%2F22%2F140155\" title=\"DNS queries for &quot;.&quot; - \u306a\u3093\u304b:\u304b\u3093\u304c\u3048\u3066-6\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","type":"rich","description":"\u4eca\u9031\u3050\u3089\u3044\u304b\u3089\u3053\u306e\u624b\u306e\u304c\u3046\u3056\u3059\u304e named: client 69.50.142.11#56555: query (cache) './NS/IN' denied \u3053\u308c\u304b\u306aSANS Internet Storm Center: DNS queries for \".\" \u518d\u5e30\u30af\u30a8\u30ea\u306f\u5f53\u7136\u30ca\u30b7\u306b\u3057\u3066\u308b\u306e\u3067\u5b9f\u5bb3\u306f\u306a\u3044\u304c\u3001\u30ed\u30b0\u304c\u6c5a\u308c\u3066\u3046\u3056\u3044\u306e\u3067 iptables -A INPUT --source 69.50.142.11 -j DROP iptables -A INPUT --source 66.230.160.1 -j DROP iptables -A INPUT --source 66.230.1\u2026","author_url":"https://blog.hatena.ne.jp/mrmt/","url":"https://blog.mrmt.net/entry/2009/01/22/140155","height":"190","version":"1.0","provider_name":"Hatena Blog","published":"2009-01-22 14:01:55","width":"100%","categories":["tech"],"provider_url":"https://hatena.blog","blog_url":"https://blog.mrmt.net/","title":"DNS queries for \".\"","blog_title":"\u306a\u3093\u304b:\u304b\u3093\u304c\u3048\u3066-6","image_url":null,"author_name":"mrmt"}