{"url":"https://mask.hatenadiary.com/entry/2015/06/09/112354","author_name":"mask0702","height":"190","author_url":"https://blog.hatena.ne.jp/mask0702/","image_url":"http://cdn-ak.f.st-hatena.com/images/fotolife/m/mask0702/20150609/20150609110700.png","provider_name":"Hatena Blog","width":"100%","blog_url":"https://mask.hatenadiary.com/","title":"\u3010PHP\u3011\u30e1\u30eb\u30a2\u30c9\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u306bcheckdnsrr()\u3092\u4f7f\u3063\u3066\u3044\u305f\u3089\u5b58\u5728\u3059\u308b\u30e1\u30eb\u30a2\u30c9\u3082\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u306b\u5f15\u3063\u304b\u304b\u3063\u3066\u3057\u307e\u3063\u305f\u8a71","type":"rich","categories":["PHP"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmask.hatenadiary.com%2Fentry%2F2015%2F06%2F09%2F112354\" title=\"\u3010PHP\u3011\u30e1\u30eb\u30a2\u30c9\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u306bcheckdnsrr()\u3092\u4f7f\u3063\u3066\u3044\u305f\u3089\u5b58\u5728\u3059\u308b\u30e1\u30eb\u30a2\u30c9\u3082\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u306b\u5f15\u3063\u304b\u304b\u3063\u3066\u3057\u307e\u3063\u305f\u8a71 - \u304f\u308f\u3053\u306epermission denied.\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog","published":"2015-06-09 11:23:54","version":"1.0","blog_title":"\u304f\u308f\u3053\u306epermission denied.","description":"\u30bf\u30a4\u30c8\u30eb\u901a\u308a\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306e\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u306bcheckdnsrr()\u3067\u305d\u306e\u30db\u30b9\u30c8\u540d\u304c\u5b58\u5728\u3059\u308b\u306e\u304b\u3092\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u3067\u304b\u3051\u3066\u3044\u305f\u306e\u3067\u3059\u304c\u3001\u3069\u3046\u3084\u3089\u672c\u5f53\u306b\u5b58\u5728\u3059\u308b\u306e\u306bcheckdnsrr()\u304cfalse\u3092\u8fd4\u3059\u5834\u5408\u304c\u3042\u308b\u3068\u30e6\u30fc\u30b6\u30fc\u304b\u3089\u82e6\u60c5\u304c\u6765\u305f\u3002PHP: checkdnsrr - Manual\u3061\u306a\u307f\u306b\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u306f\u3053\u3093\u306a\u611f\u3058\u3067\u3057\u305f\u3002 $exploded_address = explode('@', $mailaddress); // \u4e2d\u7565 return checkdnsrr($exploded_address[1]); \u3067\u3001\u3088\u304f\u3088\u304f\u8abf\u3079\u308b\u3068checkdnsrr()\u306b\u306f\u7b2c\u4e8c\u5f15\u6570\u304c\u6307\u5b9a\u3067\u304d\u308b\u3063\u307d\u304f\u3066\u3001\u6307\u2026"}