{"id":402,"date":"2026-07-15T17:09:21","date_gmt":"2026-07-15T17:09:21","guid":{"rendered":"https:\/\/www.domain.com.tr\/blog\/?p=402"},"modified":"2026-11-10T19:10:14","modified_gmt":"2026-11-10T19:10:14","slug":"dns-nedir","status":"publish","type":"post","link":"https:\/\/www.domain.com.tr\/blog\/sunucu-dns\/dns-nedir\/","title":{"rendered":"DNS Nedir?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><em>\u0130nternetin &#8220;telefon rehberi&#8221; olarak da bilinen DNS sistemini en yal\u0131n haliyle a\u00e7\u0131kl\u0131yoruz.<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>DNS (Domain Name System)<\/strong>, domain adlar\u0131n\u0131 sunucular\u0131n IP adreslerine \u00e7eviren da\u011f\u0131t\u0131k bir sistemdir. DNS sayesinde kullan\u0131c\u0131lar, karma\u015f\u0131k IP adreslerini ezberlemek zorunda kalmadan ak\u0131lda kal\u0131c\u0131 domain isimleriyle web sitelerine ula\u015fabilir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DNS Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Kullan\u0131c\u0131 taray\u0131c\u0131ya bir domain ad\u0131 girer.<\/li>\n\n\n\n<li>Taray\u0131c\u0131, bu ad\u0131 \u00e7\u00f6z\u00fcmlemek i\u00e7in bir DNS sunucusuna sorgu g\u00f6nderir.<\/li>\n\n\n\n<li>DNS sunucusu, ilgili domaine kar\u015f\u0131l\u0131k gelen IP adresini bulur.<\/li>\n\n\n\n<li>Taray\u0131c\u0131, bulunan IP adresine ba\u011flanarak siteyi g\u00f6r\u00fcnt\u00fcler.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Bu i\u015flem, kullan\u0131c\u0131 hi\u00e7bir \u015fey fark etmeden saniyenin \u00e7ok k\u00fc\u00e7\u00fck bir b\u00f6l\u00fcm\u00fcnde ger\u00e7ekle\u015fir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DNS Kay\u0131t T\u00fcrleri<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>A Kayd\u0131<\/strong> \u2013 Domaini bir IPv4 adresine y\u00f6nlendirir.<\/li>\n\n\n\n<li><strong>AAAA Kayd\u0131<\/strong> \u2013 Domaini bir IPv6 adresine y\u00f6nlendirir.<\/li>\n\n\n\n<li><strong>CNAME Kayd\u0131<\/strong> \u2013 Bir domaini ba\u015fka bir domain ad\u0131na y\u00f6nlendirir (genellikle alt domainler i\u00e7in kullan\u0131l\u0131r).<\/li>\n\n\n\n<li><strong>MX Kayd\u0131<\/strong> \u2013 Domaine ait e-posta trafi\u011finin hangi sunucuya y\u00f6nlendirilece\u011fini belirler.<\/li>\n\n\n\n<li><strong>TXT Kayd\u0131<\/strong> \u2013 Domain do\u011frulama ve e-posta g\u00fcvenli\u011fi (SPF, DKIM gibi) ama\u00e7lar\u0131yla kullan\u0131lan metin tabanl\u0131 kay\u0131tlard\u0131r.<\/li>\n\n\n\n<li><strong>NS Kayd\u0131<\/strong> \u2013 Domainin hangi nameserver&#8217;lar\u0131 kulland\u0131\u011f\u0131n\u0131 belirtir.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Bir domainin t\u00fcm DNS kay\u0131tlar\u0131n\u0131 tek ekranda g\u00f6rmek i\u00e7in \u00fccretsiz <a href=\"https:\/\/www.domain.com.tr\/dns-sorgulama\">DNS sorgulama<\/a> arac\u0131m\u0131z\u0131 kullanabilirsiniz.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DNS Neden \u00d6nemlidir?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">DNS, bir web sitesinin do\u011fru \u015fekilde \u00e7al\u0131\u015fabilmesi i\u00e7in gereken en temel altyap\u0131 bile\u015fenlerinden biridir. Yanl\u0131\u015f yap\u0131land\u0131r\u0131lm\u0131\u015f DNS kay\u0131tlar\u0131; sitenin a\u00e7\u0131lmamas\u0131, e-postalar\u0131n ula\u015fmamas\u0131 gibi ciddi sorunlara yol a\u00e7abilir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DNS De\u011fi\u015fikliklerinin Yay\u0131lma S\u00fcresi<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">DNS kay\u0131tlar\u0131nda yap\u0131lan de\u011fi\u015fiklikler, \u00f6nbellekleme (TTL) s\u00fcresine ba\u011fl\u0131 olarak birka\u00e7 dakika ile 48 saat aras\u0131nda tam olarak yay\u0131labilir. Bu s\u00fcre\u00e7, DNS sisteminin do\u011fal bir i\u015fleyi\u015f bi\u00e7imidir ve teknik bir hata anlam\u0131na gelmez.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DNS Y\u00f6netimi Nereden Yap\u0131l\u0131r?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">DNS kay\u0131tlar\u0131, genellikle domainin kay\u0131tl\u0131 oldu\u011fu firman\u0131n y\u00f6netim panelinden veya hosting sa\u011flay\u0131c\u0131s\u0131n\u0131n cPanel gibi kontrol panellerindeki &#8220;DNS B\u00f6lge D\u00fczenleyici&#8221; b\u00f6l\u00fcm\u00fcnden y\u00f6netilir.<\/p>\n\n\n<!-- domain-seo-ek -->\n\n<h2 class=\"wp-block-heading\">S\u0131k Sorulan Sorular<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">DNS de\u011fi\u015fikli\u011fi neden hemen g\u00f6r\u00fcnm\u00fcyor?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DNS kay\u0131tlar\u0131, internet servis sa\u011flay\u0131c\u0131lar\u0131 ve cihazlar taraf\u0131ndan TTL s\u00fcresi boyunca \u00f6nbellekte tutulur. Bu y\u00fczden yap\u0131lan bir de\u011fi\u015fikli\u011fin her yerde g\u00f6r\u00fcnmesi birka\u00e7 dakika ile 48 saat aras\u0131nda s\u00fcrebilir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">A kayd\u0131 ile CNAME kayd\u0131 aras\u0131ndaki fark nedir?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A kayd\u0131 bir domaini do\u011frudan bir IP adresine y\u00f6nlendirir. CNAME kayd\u0131 ise bir ad\u0131 ba\u015fka bir domain ad\u0131na y\u00f6nlendirir; \u00f6rne\u011fin www.domaininiz.com&#8217;u domaininiz.com&#8217;a ba\u011flamak i\u00e7in kullan\u0131l\u0131r.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">DNS ile nameserver ayn\u0131 \u015fey mi?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Hay\u0131r. Nameserver, domainin DNS kay\u0131tlar\u0131n\u0131n hangi sunucuda tutuldu\u011funu g\u00f6sterir. DNS kay\u0131tlar\u0131 (A, MX, CNAME vb.) ise o nameserver \u00fczerinde tan\u0131mlanan ve domainin nereye gidece\u011fini belirleyen ayarlard\u0131r.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">E-postalar\u0131m gelmiyorsa hangi DNS kayd\u0131na bakmal\u0131y\u0131m?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u00d6ncelikle MX kayd\u0131n\u0131 kontrol etmelisiniz; e-postalar\u0131n hangi sunucuya teslim edilece\u011fini MX kayd\u0131 belirler. G\u00f6nderdi\u011finiz e-postalar spam klas\u00f6r\u00fcne d\u00fc\u015f\u00fcyorsa SPF ve DKIM i\u00e7in tan\u0131mlanan TXT kay\u0131tlar\u0131n\u0131 da kontrol edin.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Domainlerinizin DNS kay\u0131tlar\u0131n\u0131 y\u00f6netmek i\u00e7in <a href=\"https:\/\/www.domain.com.tr\/store\/dns-hizmetleri\">DNS Hizmetleri<\/a> sayfam\u0131z\u0131 inceleyebilirsiniz.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">E-postalar\u0131n\u0131z gelmiyorsa domaininizin MX, SPF ve DMARC kay\u0131tlar\u0131n\u0131 <a href=\"https:\/\/www.domain.com.tr\/mx-sorgulama\">MX kayd\u0131 sorgulama<\/a> arac\u0131m\u0131zla hemen kontrol edebilirsiniz.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0130lgili Rehberler<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.domain.com.tr\/knowledgebase\/33\/Domain.com.tr-NS-De%C4%9Fi%C5%9Fikli%C4%9Fi-Nas%C4%B1l-Yap%C4%B1l%C4%B1r.html\">Nameserver (NS) De\u011fi\u015ftirme Rehberi<\/a><\/li>\n\n<li><a href=\"https:\/\/www.domain.com.tr\/blog\/sunucu-dns\/ttl-nedir-dns-propagasyon-suresini-etkileyen-faktorler\/\">TTL Nedir? DNS Propagasyon S\u00fcresini Etkileyen Fakt\u00f6rler<\/a><\/li>\n\n<li><a href=\"https:\/\/www.domain.com.tr\/blog\/sunucu-dns\/sunucu-nedir-dns-nameserver-ve-sunucu-yonetimi-hakkinda-bilmeniz-gerekenler\/\">Sunucu Nedir? DNS, Nameserver ve Sunucu Y\u00f6netimi Hakk\u0131nda Bilmeniz Gerekenler<\/a><\/li>\n\n<li><a href=\"https:\/\/www.domain.com.tr\/knowledgebase\/25\/DNS-De%C4%9Fi%C5%9Ftirme-Nas%C4%B1l-Yap%C4%B1l%C4%B1r-Site-Kesilmeden-DNS-Guncelleme-Rehberi.html\">DNS De\u011fi\u015ftirme Nas\u0131l Yap\u0131l\u0131r?<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u0130nternetin &#8220;telefon rehberi&#8221; olarak da bilinen DNS sistemini en yal\u0131n haliyle a\u00e7\u0131kl\u0131yoruz. DNS (Domain Name System), domain adlar\u0131n\u0131 sunucular\u0131n IP adreslerine \u00e7eviren da\u011f\u0131t\u0131k bir sistemdir. DNS sayesinde kullan\u0131c\u0131lar, karma\u015f\u0131k IP adreslerini ezberlemek zorunda kalmadan ak\u0131lda kal\u0131c\u0131 domain isimleriyle web sitelerine ula\u015fabilir. DNS Nas\u0131l \u00c7al\u0131\u015f\u0131r? Bu i\u015flem, kullan\u0131c\u0131 hi\u00e7bir \u015fey fark etmeden saniyenin \u00e7ok k\u00fc\u00e7\u00fck bir [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":443,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[118,119,86,55,117],"class_list":["post-402","post","type-post","status-publish","format-standard","has-post-thumbnail","category-sunucu-dns","tag-a-kaydi","tag-cname","tag-dns-kayitlari","tag-dns-nedir","tag-mx-kaydi"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>DNS Nedir, Nas\u0131l \u00c7al\u0131\u015f\u0131r? DNS Kay\u0131t T\u00fcrleri<\/title>\n<meta name=\"description\" content=\"DNS nedir ve nas\u0131l \u00e7al\u0131\u015f\u0131r? Domainin sunucuya nas\u0131l y\u00f6nlendi\u011fini, DNS kay\u0131t t\u00fcrlerini ve yay\u0131lma s\u00fcresini anla\u015f\u0131l\u0131r \u015fekilde \u00f6\u011frenin.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.domain.com.tr\/blog\/sunucu-dns\/dns-nedir\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"DNS Nedir, Nas\u0131l \u00c7al\u0131\u015f\u0131r? DNS Kay\u0131t T\u00fcrleri\" \/>\n<meta property=\"og:description\" content=\"DNS nedir ve nas\u0131l \u00e7al\u0131\u015f\u0131r? Domainin sunucuya nas\u0131l y\u00f6nlendi\u011fini, DNS kay\u0131t t\u00fcrlerini ve yay\u0131lma s\u00fcresini anla\u015f\u0131l\u0131r \u015fekilde \u00f6\u011frenin.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.domain.com.tr\/blog\/sunucu-dns\/dns-nedir\/\" \/>\n<meta property=\"og:site_name\" content=\"Domain.com.tr blog\" \/>\n<meta property=\"article:published_time\" content=\"2026-07-15T17:09:21+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-11-10T19:10:14+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.domain.com.tr\/blog\/wp-content\/uploads\/2026\/07\/Gemini_Generated_Image_sf10ibsf10ibsf10.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1408\" \/>\n\t<meta property=\"og:image:height\" content=\"768\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Domain.com.tr Ekibi\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@domaincomtr\" \/>\n<meta name=\"twitter:site\" content=\"@domaincomtr\" \/>\n<meta name=\"twitter:label1\" content=\"Yazan:\" \/>\n\t<meta name=\"twitter:data1\" content=\"Domain.com.tr Ekibi\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tahmini okuma s\u00fcresi\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 dakika\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.domain.com.tr\\\/blog\\\/sunucu-dns\\\/dns-nedir\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.domain.com.tr\\\/blog\\\/sunucu-dns\\\/dns-nedir\\\/\"},\"author\":{\"name\":\"Domain.com.tr Ekibi\",\"@id\":\"https:\\\/\\\/www.domain.com.tr\\\/blog\\\/#\\\/schema\\\/person\\\/5b5a5f8614f6249a4065ba2c61f8497f\"},\"headline\":\"DNS Nedir?\",\"datePublished\":\"2026-07-15T17:09:21+00:00\",\"dateModified\":\"2026-11-10T19:10:14+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.domain.com.tr\\\/blog\\\/sunucu-dns\\\/dns-nedir\\\/\"},\"wordCount\":646,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.domain.com.tr\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.domain.com.tr\\\/blog\\\/sunucu-dns\\\/dns-nedir\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.domain.com.tr\\\/blog\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/Gemini_Generated_Image_sf10ibsf10ibsf10.png\",\"keywords\":[\"a kayd\u0131\",\"cname\",\"dns kay\u0131tlar\u0131\",\"dns nedir\",\"mx kayd\u0131\"],\"articleSection\":[\"Sunucu &amp; DNS\"],\"inLanguage\":\"tr\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.domain.com.tr\\\/blog\\\/sunucu-dns\\\/dns-nedir\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.domain.com.tr\\\/blog\\\/sunucu-dns\\\/dns-nedir\\\/\",\"url\":\"https:\\\/\\\/www.domain.com.tr\\\/blog\\\/sunucu-dns\\\/dns-nedir\\\/\",\"name\":\"DNS Nedir, Nas\u0131l \u00c7al\u0131\u015f\u0131r? 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