{"id":961,"date":"2021-06-03T13:39:07","date_gmt":"2021-06-03T10:39:07","guid":{"rendered":"https:\/\/dnsbak.com\/blog\/?p=961"},"modified":"2021-06-27T20:42:45","modified_gmt":"2021-06-27T17:42:45","slug":"dns-nedir-ne-ise-yarar","status":"publish","type":"post","link":"https:\/\/dnsbak.com\/blog\/dns-nedir-ne-ise-yarar\/","title":{"rendered":"DNS Nedir? Ne i\u015fe Yarar?"},"content":{"rendered":"\n<p><strong>DNS<\/strong>&nbsp;internet uzay\u0131n\u0131 b\u00f6l\u00fcmlemeye, b\u00f6l\u00fcmleri adland\u0131rmaya ve b\u00f6l\u00fcmler aras\u0131 ileti\u015fimi organize etmeye yarayan, bilgisayar, servis, internet veya \u00f6zel bir a\u011fa ba\u011fl\u0131 herhangi bir kaynak i\u00e7in hiyerar\u015fik da\u011f\u0131t\u0131lm\u0131\u015f bir adland\u0131rma sistemidir.<\/p>\n\n\n\n<p>\u0130nternet a\u011f\u0131n\u0131 olu\u015fturan her birim sadece kendine ait bir IP adresine sahiptir. Bu IP adresleri kullan\u0131c\u0131lar\u0131n kullan\u0131m\u0131 i\u00e7in www.site_ismi.com gibi kolay hat\u0131rlan\u0131r adreslere kar\u015f\u0131l\u0131k d\u00fc\u015f\u00fcr\u00fcl\u00fcr. DNS sunucular\u0131, internet adreslerinin IP adresi kar\u015f\u0131l\u0131\u011f\u0131n\u0131 kay\u0131tl\u0131 tutmaktad\u0131r.<\/p>\n\n\n\n<p>Kat\u0131l\u0131mc\u0131 kurulu\u015flar\u0131n her birine atanm\u0131\u015f alan adlar\u0131 \u00e7e\u015fitli bilgileri ili\u015fkilendirir. En belirgin olarak, insanlar taraf\u0131ndan kolayca ezberlenebilen alan adlar\u0131n\u0131, d\u00fcnya \u00e7ap\u0131nda bilgisayar servisleri ve cihazlar i\u00e7in gerekli say\u0131sal IP adreslerine \u00e7evirir (d\u00f6n\u00fc\u015ft\u00fcr\u00fcr). DNS, \u00e7o\u011fu internet servisinin i\u015flevselli\u011fi i\u00e7in temel bir bile\u015fendir, \u00e7\u00fcnk\u00fc Internetin temel y\u00f6netici servisidir.<\/p>\n\n\n\n<p>Alan Ad\u0131 Sistemi DNS her alan i\u00e7in yetkili ad sunucular\u0131 atayarak alan adlar\u0131n\u0131 atama ve bu adlar\u0131n IP adreslerine haritalanmas\u0131 sorumlulu\u011funu verir. Yetkili ad sunucular\u0131 desteklenen alanlar\u0131 i\u00e7in sorumlu olmakla g\u00f6revlidirler ve di\u011fer ad sunucular\u0131 yerine alt alanlara yetki (otorite) verebilirler. Bu mekanizma da\u011f\u0131t\u0131lm\u0131\u015f ve ar\u0131zaya toleransl\u0131 servis sa\u011flar &nbsp;ve tek bir merkezi veri taban\u0131na ihtiyac\u0131 \u00f6nlemek i\u00e7in tasarlanm\u0131\u015ft\u0131r.<\/p>\n\n\n\n<p>DNS ayn\u0131 zamanda \u00f6z\u00fcnde (\u00e7ekirdekte) bulunan veritaban\u0131 servisinin teknik i\u015flevselli\u011fini de belirtir. DNS protokol\u00fcn\u00fc \u2013 DNS\u2019de kullan\u0131lan veri yap\u0131lar\u0131n\u0131n ve veri ileti\u015fim al\u0131\u015fveri\u015finin (de\u011fi\u015f toku\u015f) detayl\u0131 tan\u0131mlamas\u0131- \u0130nternet Protocol Suite\u2019in bir par\u00e7as\u0131&nbsp; olarak tan\u0131mlar. Tarihsel olarak DNS\u2019 den \u00f6nceki y\u00f6netici servisleri orijinal olarak metin dosyalar\u0131na ve belirgin bir \u015fekilde HOSTS.TXT \u00e7\u00f6z\u00fcc\u00fcs\u00fcne dayand\u0131\u011f\u0131 i\u00e7in b\u00fcy\u00fck veya k\u00fcresel y\u00f6neticilere g\u00f6re \u00f6l\u00e7eklenebilir de\u011fildi. DNS 1980\u2019 den bu yana yayg\u0131n olarak kullan\u0131l\u0131r olmu\u015ftur.<\/p>\n\n\n\n<p>\u0130nternet hiyerar\u015fi alan ad\u0131 ve \u0130nternet Protokol (IP) adres bo\u015flu\u011fu olmak \u00fczere iki ana ad bo\u015flu\u011funu sa\u011flar. DNS sistemi alan ad\u0131 hiyerar\u015fisi sa\u011flar ve onunla adres bo\u015flu\u011fu aras\u0131nda \u00e7eviri servisi sa\u011flar. \u0130nternet ad\u0131 sunucular\u0131 ve ileti\u015fim protokol\u00fc Domain Name Sistemini etkin k\u0131lar. Bir DNS ad sunucusu, alan DNS kay\u0131tlar\u0131n\u0131 alan ad\u0131 i\u00e7in depolayan bir sunucudur; DNS ad sunucusu veri taban\u0131na kar\u015f\u0131 sorulara cevaplarla kar\u015f\u0131l\u0131k verir.<\/p>\n\n\n\n<p>DNS veri taban\u0131nda depolanan en yayg\u0131n kay\u0131t t\u00fcrleri; DNS b\u00f6lgesinin yetkisi otoritesi &nbsp;(SOA), IP adresleri (A ve AAAA), SMTP posta de\u011fi\u015ftiriciler (MX), ad sunucular\u0131 (NS), ters DNS aramalar\u0131 i\u00e7in i\u015faret\u00e7iler (PTR) ve alan ad\u0131 takma isimleridir (CNAME).<\/p>\n\n\n\n<p>Genel ama\u00e7l\u0131 bir veri taban\u0131 olmak i\u00e7in tasarlanmamas\u0131na ra\u011fmen, DNS di\u011fer veri t\u00fcrleri i\u00e7in DNSSEC kay\u0131tlar\u0131 gibi \u015feyler i\u00e7in otomatik makine aramalar\u0131n\u0131 &nbsp;ya da Sorumlu ki\u015fi (RP) kay\u0131tlar\u0131 gibi insan sorular\u0131n\u0131 da depolayabilir. DNS kay\u0131t t\u00fcrlerinin tam listesi i\u00e7in, DNS kay\u0131t t\u00fcrlerinin listesi bak\u0131n. Genel ama\u00e7l\u0131 veritaban\u0131 olarak, DNS veri taban\u0131nda saklanan ger\u00e7ek zamanl\u0131 kara delik listesi kullan\u0131larak istenmeyen e-posta (Spam) ile m\u00fccadelede kullan\u0131m\u0131nda da DNS g\u00f6r\u00fclebilir. \u0130nternet adland\u0131rma i\u00e7in veya genel ama\u00e7l\u0131 kullan\u0131mlar i\u00e7in olsun, DNS veritaban\u0131, yap\u0131land\u0131r\u0131lm\u0131\u015f b\u00f6lge dosyas\u0131nda geleneksel olarak depolan\u0131r.<ins><\/ins><\/p>\n","protected":false},"excerpt":{"rendered":"<p>dns nedir?<\/p>\n","protected":false},"author":2,"featured_media":962,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[1,26],"tags":[27,44,28,20],"ppma_author":[213],"class_list":["post-961","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-genel","category-nedir","tag-dns","tag-dns-ne-isre-yarar","tag-dns-nedir","tag-dns-sorgula"],"aioseo_notices":[],"authors":[{"term_id":213,"user_id":2,"is_guest":0,"slug":"yigitkazanc","display_name":"Yi\u011fit Kazan\u00e7","avatar_url":{"url":"https:\/\/dnsbak.com\/blog\/wp-content\/uploads\/2021\/08\/yigitkazanc.jpg","url2x":"https:\/\/dnsbak.com\/blog\/wp-content\/uploads\/2021\/08\/yigitkazanc.jpg"},"user_url":"http:\/\/yigitkazanc.com","last_name":"Kazan\u00e7","first_name":"Yi\u011fit","description":"dnsbak.com ipbak.net"}],"_links":{"self":[{"href":"https:\/\/dnsbak.com\/blog\/wp-json\/wp\/v2\/posts\/961","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dnsbak.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dnsbak.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dnsbak.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/dnsbak.com\/blog\/wp-json\/wp\/v2\/comments?post=961"}],"version-history":[{"count":2,"href":"https:\/\/dnsbak.com\/blog\/wp-json\/wp\/v2\/posts\/961\/revisions"}],"predecessor-version":[{"id":1014,"href":"https:\/\/dnsbak.com\/blog\/wp-json\/wp\/v2\/posts\/961\/revisions\/1014"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dnsbak.com\/blog\/wp-json\/wp\/v2\/media\/962"}],"wp:attachment":[{"href":"https:\/\/dnsbak.com\/blog\/wp-json\/wp\/v2\/media?parent=961"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dnsbak.com\/blog\/wp-json\/wp\/v2\/categories?post=961"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dnsbak.com\/blog\/wp-json\/wp\/v2\/tags?post=961"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/dnsbak.com\/blog\/wp-json\/wp\/v2\/ppma_author?post=961"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}