{"id":42,"date":"2026-03-30T20:32:41","date_gmt":"2026-03-30T20:32:41","guid":{"rendered":"https:\/\/rbl.watch\/blog\/reverse-dns-rdns-ptr-nedir-neden-onemli\/"},"modified":"2026-05-28T10:29:58","modified_gmt":"2026-05-28T10:29:58","slug":"reverse-dns-rdns-ptr-nedir-neden-onemli","status":"publish","type":"post","link":"https:\/\/rbl.watch\/blog\/reverse-dns-rdns-ptr-nedir-neden-onemli\/","title":{"rendered":"Reverse DNS (rDNS\/PTR) Nedir? Neden \u00d6nemli?"},"content":{"rendered":"<h2>Reverse DNS Nedir?<\/h2>\n<p>Normal DNS, alan ad\u0131n\u0131 IP adresine \u00e7evirir. <strong>Reverse DNS (rDNS)<\/strong> ise bunun tam tersini yapar: IP adresinden alan ad\u0131na (hostname) ula\u015f\u0131r. Bu i\u015flem <strong>PTR kayd\u0131<\/strong> \u00fczerinden ger\u00e7ekle\u015fir.<\/p>\n<h2>Neden \u00d6nemli?<\/h2>\n<ul>\n<li>Bir\u00e7ok e-posta sunucusu PTR kayd\u0131 olmayan IP lerden gelen mesajlar\u0131 reddeder<\/li>\n<li>Gmail ve Microsoft PTR kontrol\u00fc yapar<\/li>\n<li>Forward-Confirmed rDNS (FCrDNS) uyumu itibar i\u00e7in kritiktir<\/li>\n<\/ul>\n<h2>FCrDNS Nedir?<\/h2>\n<p>IP adresi PTR ile hostname e \u00e7\u00f6z\u00fcmlenir, sonra hostname A kayd\u0131 ile tekrar IP ye \u00e7\u00f6z\u00fcmlenir. Her iki y\u00f6nde de e\u015fle\u015fme varsa FCrDNS sa\u011flanm\u0131\u015f demektir.<\/p>\n<h2>Kontrol Edin<\/h2>\n<p><a href=\"https:\/\/rbl.watch\/tools\/rdns-lookup\">Reverse DNS Lookup<\/a> arac\u0131m\u0131zla PTR kayd\u0131n\u0131z\u0131 ve FCrDNS uyumunuzu kontrol edin.<\/p>\n<p><strong>RBL Watch ile IP adreslerinizi 51+ kara listede otomatik izleyin. <a href=\"https:\/\/rbl.watch\/signup\">\u00dccretsiz deneyin<\/a>.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Reverse DNS Nedir? Normal DNS, alan ad\u0131n\u0131 IP adresine \u00e7evirir. Reverse DNS (rDNS) ise bunun tam tersini yapar: IP adresinden alan ad\u0131na (hostname) ula\u015f\u0131r. Bu i\u015flem PTR kayd\u0131 \u00fczerinden ger\u00e7ekle\u015fir. Neden \u00d6nemli? Bir\u00e7ok e-posta sunucusu PTR kayd\u0131 olmayan IP lerden gelen mesajlar\u0131 reddeder Gmail ve Microsoft PTR kontrol\u00fc yapar Forward-Confirmed rDNS (FCrDNS) uyumu itibar i\u00e7in &#8230; <a title=\"Reverse DNS (rDNS\/PTR) Nedir? Neden \u00d6nemli?\" class=\"read-more\" href=\"https:\/\/rbl.watch\/blog\/reverse-dns-rdns-ptr-nedir-neden-onemli\/\" aria-label=\"Read more about Reverse DNS (rDNS\/PTR) Nedir? Neden \u00d6nemli?\">Devam\u0131n\u0131 oku<\/a><\/p>\n","protected":false},"author":2,"featured_media":324,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-42","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ip-reputation"],"_links":{"self":[{"href":"https:\/\/rbl.watch\/blog\/wp-json\/wp\/v2\/posts\/42","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rbl.watch\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rbl.watch\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rbl.watch\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/rbl.watch\/blog\/wp-json\/wp\/v2\/comments?post=42"}],"version-history":[{"count":5,"href":"https:\/\/rbl.watch\/blog\/wp-json\/wp\/v2\/posts\/42\/revisions"}],"predecessor-version":[{"id":262,"href":"https:\/\/rbl.watch\/blog\/wp-json\/wp\/v2\/posts\/42\/revisions\/262"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rbl.watch\/blog\/wp-json\/wp\/v2\/media\/324"}],"wp:attachment":[{"href":"https:\/\/rbl.watch\/blog\/wp-json\/wp\/v2\/media?parent=42"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rbl.watch\/blog\/wp-json\/wp\/v2\/categories?post=42"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rbl.watch\/blog\/wp-json\/wp\/v2\/tags?post=42"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}