{"id":29086,"date":"2025-09-07T14:00:27","date_gmt":"2025-09-07T11:00:27","guid":{"rendered":"https:\/\/fatihsoysal.com\/blog\/dns-101-internetin-web-siteleri-icin-gpsi\/"},"modified":"2025-09-07T14:00:27","modified_gmt":"2025-09-07T11:00:27","slug":"dns-101-internetin-web-siteleri-icin-gpsi","status":"publish","type":"post","link":"https:\/\/fatihsoysal.com\/blog\/dns-101-internetin-web-siteleri-icin-gpsi\/","title":{"rendered":"DNS 101: \u0130nternetin Web Siteleri \u0130\u00e7in GPS&#8217;i"},"content":{"rendered":"<p>DNS 101: \u0130nternetin Web Siteleri \u0130\u00e7in GPS&#8217;i<\/p>\n<p>\u0130nternette gezinirken, bir web sitesinin adresini (\u00f6rne\u011fin, google.com) taray\u0131c\u0131n\u0131za yaz\u0131p Enter tu\u015funa bast\u0131\u011f\u0131n\u0131zda, sihirli bir \u015fekilde ilgili sayfaya ula\u015fabiliyorsunuz.  Peki bu &#8220;sihir&#8221; nas\u0131l ger\u00e7ekle\u015fiyor?  Bu sorunun cevab\u0131, DNS (Domain Name System) yani Alan Ad\u0131 Sistemi&#8217;nde yat\u0131yor.  DNS, \u0130nternet&#8217;in telefon defteri gibidir; insan taraf\u0131ndan okunabilir web site adreslerini, bilgisayarlar\u0131n anlayabilece\u011fi IP adreslerine \u00e7evirir.  Bu makalede, DNS&#8217;in temel i\u015fleyi\u015finden ileri d\u00fczey tekniklerine kadar her \u015feyi ele alaca\u011f\u0131z.<\/p>\n<h2>DNS Nas\u0131l \u00c7al\u0131\u015f\u0131r? Temel Kavramlar<\/h2>\n<p>\u0130nternetteki her cihaz, benzersiz bir IP adresi (Internet Protocol adresi) ile tan\u0131mlan\u0131r. Bu adresler, say\u0131lar dizisinden olu\u015fur (\u00f6rne\u011fin, 192.168.1.1) ve bilgisayarlar aras\u0131ndaki ileti\u015fimi sa\u011flar. Ancak, bu say\u0131 dizilerini hat\u0131rlamak ve kullanmak insanlar i\u00e7in olduk\u00e7a zor ve pratik de\u011fildir.  \u0130\u015fte bu noktada DNS devreye girer.  DNS, insanlara kolay gelen alan adlar\u0131n\u0131 (\u00f6rne\u011fin, google.com) bilgisayarlar\u0131n anlayabilece\u011fi IP adreslerine \u00e7evirir ve bu sayede internette gezinmeyi kolayla\u015ft\u0131r\u0131r.  Bu \u00e7eviri i\u015flemi, DNS sunucular\u0131 ad\u0131 verilen \u00f6zel sunucular taraf\u0131ndan ger\u00e7ekle\u015ftirilir.  Bir web sitesinin adresini taray\u0131c\u0131n\u0131za yazd\u0131\u011f\u0131n\u0131zda, bilgisayar\u0131n\u0131z \u00f6ncelikle yerel DNS sunucusuna bir istek g\u00f6nderir.  Yerel DNS sunucusu, istedi\u011finiz alan ad\u0131n\u0131n IP adresini \u00f6nbelle\u011finde (cache) arar.  E\u011fer bulursa, IP adresini do\u011frudan bilgisayar\u0131n\u0131za g\u00f6nderir.  Ancak, \u00f6nbelle\u011finde bulamazsa, di\u011fer DNS sunucular\u0131na istek g\u00f6ndererek IP adresini bulmaya \u00e7al\u0131\u015f\u0131r.<\/p>\n<p>Bu s\u00fcre\u00e7, birka\u00e7 DNS sunucusu seviyesinden ge\u00e7ebilir.  \u00d6ncelikle, Recursive Resolver ad\u0131 verilen, sorguyu sonuna kadar takip eden ve cevab\u0131 size geri d\u00f6nd\u00fcren DNS sunucular\u0131 devreye girer. Bu sunucular, Root Name Servers, Top-Level Domain (TLD) sunucular\u0131 ve Authoritative Name Servers gibi di\u011fer sunuculara sorgu g\u00f6nderir. Root Name Servers, t\u00fcm TLD&#8217;lerin (\u00f6rne\u011fin, .com, .org, .net) sunucular\u0131na y\u00f6nlendirir. TLD sunucular\u0131, ilgili alan ad\u0131n\u0131n yetkili isim sunucusuna y\u00f6nlendirir. Son olarak, Authoritative Name Servers, alan ad\u0131n\u0131n IP adresini bulur ve Recursive Resolver&#8217;a, dolay\u0131s\u0131yla bilgisayar\u0131n\u0131za g\u00f6nderir.  Bu sayede, taray\u0131c\u0131n\u0131z ilgili web sitesine eri\u015fim sa\u011flayabilir.<\/p>\n<h2>DNS Kay\u0131t T\u00fcrleri: Hangi Kay\u0131t T\u00fcr\u00fc Ne \u0130\u015fe Yarar?<\/h2>\n<p>DNS, sadece alan adlar\u0131n\u0131 IP adreslerine e\u015flemekle kalmaz.  Bir\u00e7ok farkl\u0131 kay\u0131t t\u00fcr\u00fc bulunmaktad\u0131r.  En yayg\u0131n olanlar\u0131 \u015funlard\u0131r:<\/p>\n<ul>\n<li><b>A (Address) Kayd\u0131:<\/b>  IPv4 adreslerini (\u00f6rne\u011fin, 192.168.1.1) alan adlar\u0131na e\u015fler.<\/li>\n<li><b>AAAA (IPv6 Address) Kayd\u0131:<\/b> IPv6 adreslerini alan adlar\u0131na e\u015fler.<\/li>\n<li><b>CNAME (Canonical Name) Kayd\u0131:<\/b> Bir alan ad\u0131n\u0131, ba\u015fka bir alan ad\u0131na alias (takma ad) olarak tan\u0131mlar.<\/li>\n<li><b>MX (Mail Exchanger) Kayd\u0131:<\/b>  Bir alan ad\u0131n\u0131n e-posta sunucular\u0131n\u0131 belirler.<\/li>\n<li><b>NS (Name Server) Kayd\u0131:<\/b>  Bir alan ad\u0131n\u0131n yetkili isim sunucular\u0131n\u0131 belirler.<\/li>\n<li><b>TXT (Text) Kayd\u0131:<\/b>  Alan ad\u0131yla ilgili metin bilgisi i\u00e7erir (\u00f6rne\u011fin, SPF kay\u0131tlar\u0131).<\/li>\n<\/ul>\n<p>Bu kay\u0131t t\u00fcrleri, internet \u00fczerindeki farkl\u0131 hizmetlerin do\u011fru \u015fekilde y\u00f6nlendirilmesini sa\u011flar. \u00d6rne\u011fin, MX kay\u0131tlar\u0131 olmadan e-postalar\u0131n\u0131z do\u011fru sunucuya ula\u015famazd\u0131.  CNAME kay\u0131tlar\u0131 ise, web sitenizin farkl\u0131 alt alanlar\u0131n\u0131 tek bir IP adresine y\u00f6nlendirmenizi sa\u011flayarak sunucu kaynaklar\u0131n\u0131 daha verimli kullanman\u0131za olanak tan\u0131r.<\/p>\n<h2>DNS \u00c7\u00f6z\u00fcmleme S\u00fcreci: Ad\u0131m Ad\u0131m \u0130nceleme<\/h2>\n<p>Bir web sitesine eri\u015fmek i\u00e7in DNS \u00e7\u00f6z\u00fcmleme s\u00fcrecinin nas\u0131l i\u015fledi\u011fini ad\u0131m ad\u0131m inceleyelim.  \u00d6rne\u011fin, www.\u00f6rneksite.com adresine eri\u015fmeye \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131z\u0131 varsayal\u0131m:<\/p>\n<ol>\n<li><b>Yerel DNS Sunucusu:<\/b> Taray\u0131c\u0131n\u0131z, yerel DNS sunucusuna (genellikle internet servis sa\u011flay\u0131c\u0131n\u0131z taraf\u0131ndan sa\u011flan\u0131r) bir sorgu g\u00f6nderir.<\/li>\n<li><b>\u00d6nbellek Kontrol\u00fc:<\/b> Yerel DNS sunucusu, istedi\u011finiz alan ad\u0131n\u0131n IP adresini kendi \u00f6nbelle\u011finde arar.  E\u011fer bulursa, IP adresini do\u011frudan bilgisayar\u0131n\u0131za g\u00f6nderir.<\/li>\n<li><b>Y\u00fckselme (Recursion):<\/b> \u00d6nbellekte bulunmazsa, yerel DNS sunucusu, k\u00f6k sunuculara (Root Name Servers) sorgu g\u00f6nderir.<\/li>\n<li><b>K\u00f6k Sunucular:<\/b> K\u00f6k sunucular, .com TLD&#8217;sinin yetkili isim sunucular\u0131n\u0131 belirler.<\/li>\n<li><b>TLD Sunucular\u0131:<\/b> .com TLD sunucular\u0131, \u00f6rneksite.com alan ad\u0131n\u0131n yetkili isim sunucular\u0131n\u0131 belirler.<\/li>\n<li><b>Yetkili \u0130sim Sunucular\u0131:<\/b> \u00f6rneksite.com&#8217;un yetkili isim sunucular\u0131, alan ad\u0131n\u0131n IP adresini yerel DNS sunucusuna g\u00f6nderir.<\/li>\n<li><b>Cevap:<\/b> Yerel DNS sunucusu, IP adresini bilgisayar\u0131n\u0131za g\u00f6nderir.  Taray\u0131c\u0131n\u0131z, bu IP adresini kullanarak web sitesine eri\u015fim sa\u011flar.<\/li>\n<\/ol>\n<p>Bu s\u00fcre\u00e7, genellikle saniyeler i\u00e7inde ger\u00e7ekle\u015fir ancak a\u011f ko\u015fullar\u0131na ba\u011fl\u0131 olarak daha uzun s\u00fcrebilir.  Bu s\u00fcre\u00e7te herhangi bir sunucuda problem ya\u015fan\u0131rsa, web sitesine eri\u015fiminiz engellenebilir.<\/p>\n<h2>DNS G\u00fcvenli\u011fi ve Sald\u0131r\u0131lar: Dikkat Edilmesi Gerekenler<\/h2>\n<p>DNS, \u0130nternet&#8217;in temel yap\u0131 ta\u015flar\u0131ndan biri oldu\u011fundan, g\u00fcvenli\u011fi olduk\u00e7a \u00f6nemlidir.  DNS&#8217;ye y\u00f6nelik \u00e7e\u015fitli sald\u0131r\u0131lar mevcuttur.  Bunlardan baz\u0131lar\u0131 \u015funlard\u0131r:<\/p>\n<ul>\n<li><b>DNS Spoofing:<\/b> Sald\u0131rgan, hedef bilgisayar\u0131n DNS sorgular\u0131n\u0131 yan\u0131tlayarak sahte IP adresleri sa\u011flayabilir. Bu, kullan\u0131c\u0131lar\u0131 k\u00f6t\u00fc ama\u00e7l\u0131 web sitelerine y\u00f6nlendirebilir.<\/li>\n<li><b>DNS Amplification Attack:<\/b>  Sald\u0131rgan, k\u00fc\u00e7\u00fck bir DNS sorgusu g\u00f6ndererek \u00e7ok daha b\u00fcy\u00fck bir yan\u0131t al\u0131r ve hedef sunucuyu a\u015f\u0131r\u0131 y\u00fckler.<\/li>\n<li><b>DNS Tunneling:<\/b>  Sald\u0131rganlar, DNS trafi\u011fi \u00fczerinden verileri gizlice aktarabilir.<\/li>\n<\/ul>\n<div style=\"background-color: #ffcccc; padding: 10px; border: 1px solid #ffaaaa;\">\n  <b>Dikkat!<\/b> DNS g\u00fcvenli\u011fi i\u00e7in DNSSEC (DNS Security Extensions) gibi g\u00fcvenlik protokollerini kullanmak \u00f6nemlidir. Ayr\u0131ca, g\u00fcvenilir DNS sunucular\u0131 tercih etmek ve d\u00fczenli olarak g\u00fcvenlik g\u00fcncellemelerini uygulamak gereklidir.\n<\/div>\n<h2>DNS Performans\u0131n\u0131 Optimize Etme: \u0130leri D\u00fczey Teknikler<\/h2>\n<p>DNS performans\u0131, web sitesi eri\u015fim h\u0131z\u0131n\u0131 do\u011frudan etkiler.  Performans\u0131 optimize etmek i\u00e7in birka\u00e7 teknik kullan\u0131labilir:<\/p>\n<ul>\n<li><b>CDN (Content Delivery Network) kullan\u0131m\u0131:<\/b> CDN&#8217;ler, i\u00e7eriklerinizi d\u00fcnyan\u0131n farkl\u0131 noktalar\u0131na da\u011f\u0131tarak daha h\u0131zl\u0131 eri\u015fim sa\u011flar.  CDN&#8217;ler, genellikle kendi DNS sunucular\u0131n\u0131 kullan\u0131r.<\/li>\n<li><b>DNS \u00f6nbellekleme:<\/b>  DNS \u00f6nbellekleme, tekrarlanan DNS sorgular\u0131n\u0131 \u00f6nleyerek performans\u0131 art\u0131r\u0131r.  Hem yerel DNS sunucular\u0131nda hem de web taray\u0131c\u0131lar\u0131nda \u00f6nbellek bulunur.<\/li>\n<li><b>Anycast:<\/b>  Anycast, bir alan ad\u0131n\u0131 birden fazla sunucuya e\u015fleyerek y\u00fck da\u011f\u0131l\u0131m\u0131n\u0131 sa\u011flar.  Bir sunucu ar\u0131zalan\u0131rsa, istekler di\u011fer sunuculara y\u00f6nlendirilir.<\/li>\n<li><b>DNSSEC (DNS Security Extensions):<\/b> DNSSEC, DNS yan\u0131tlar\u0131n\u0131n sahtecilikten korunmas\u0131n\u0131 sa\u011flar.  Bu, DNS spoofing gibi sald\u0131r\u0131lara kar\u015f\u0131 koruma sa\u011flar.<\/li>\n<\/ul>\n<p>Bu teknikleri kullanarak, web sitenizin DNS performans\u0131n\u0131 \u00f6nemli \u00f6l\u00e7\u00fcde art\u0131rabilir ve kullan\u0131c\u0131 deneyimini iyile\u015ftirebilirsiniz.  Daha fazla bilgi i\u00e7in <a href=\"https:\/\/fatihsoysal.com\">https:\/\/fatihsoysal.com<\/a> adresini inceleyebilirsiniz.<\/p>\n<h2>\u00d6\u011frenme Yol Haritas\u0131<\/h2>\n<p>Bu makale, DNS&#8217;i \u00f6\u011frenmek isteyenler i\u00e7in \u00fc\u00e7 seviyeli bir \u00f6\u011frenme yol haritas\u0131 sunar:<\/p>\n<ol>\n<li><b>Yeni Ba\u015flayan:<\/b> DNS&#8217;in temel kavramlar\u0131n\u0131, \u00e7al\u0131\u015fma prensibini ve en yayg\u0131n kay\u0131t t\u00fcrlerini \u00f6\u011frenin. Bu b\u00f6l\u00fcm, DNS&#8217;in ne oldu\u011funu ve nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131 anlamak i\u00e7in yeterli bilgi sa\u011flar.<\/li>\n<li><b>Orta Seviye:<\/b> DNS \u00e7\u00f6z\u00fcmleme s\u00fcrecini ad\u0131m ad\u0131m inceleyin, farkl\u0131 DNS kay\u0131t t\u00fcrlerini detayl\u0131 olarak \u00f6\u011frenin ve DNS performans\u0131n\u0131 optimize etme tekniklerini ara\u015ft\u0131r\u0131n. Bu seviye, DNS&#8217;i daha iyi anlamak ve uygulamak i\u00e7in gereken bilgileri sa\u011flar.<\/li>\n<li><b>\u0130leri Seviye:<\/b> DNS g\u00fcvenlik tehditlerini ve bunlara kar\u015f\u0131 korunma y\u00f6ntemlerini \u00f6\u011frenin, DNSSEC ve Anycast gibi ileri d\u00fczey teknikleri ara\u015ft\u0131r\u0131n ve DNS&#8217;in farkl\u0131 kullan\u0131m senaryolar\u0131n\u0131 inceleyin.  Bu seviye, DNS alan\u0131nda uzmanla\u015fmak isteyenler i\u00e7indir.<\/li>\n<\/ol>\n<h2>Vaka Analizi: Google&#8217;\u0131n DNS Altyap\u0131s\u0131<\/h2>\n<p>Google gibi b\u00fcy\u00fck \u00f6l\u00e7ekli \u015firketler, milyonlarca kullan\u0131c\u0131ya hizmet vermek i\u00e7in olduk\u00e7a geli\u015fmi\u015f ve \u00f6l\u00e7eklenebilir DNS altyap\u0131lar\u0131na sahiptir.  Google&#8217;\u0131n DNS altyap\u0131s\u0131, Anycast ve geli\u015fmi\u015f \u00f6nbellekleme gibi teknikleri kullanarak y\u00fcksek performans ve g\u00fcvenilirlik sa\u011flar.  Bu altyap\u0131, ayn\u0131 anda milyonlarca DNS sorgusunu i\u015fleyebilir ve kullan\u0131c\u0131lar\u0131n web sitelerine h\u0131zl\u0131 bir \u015fekilde eri\u015fmesini sa\u011flar.  Google&#8217;\u0131n altyap\u0131s\u0131, d\u00fcnyan\u0131n farkl\u0131 noktalar\u0131na da\u011f\u0131t\u0131lm\u0131\u015f sunucular\u0131 kullan\u0131r, b\u00f6ylece kullan\u0131c\u0131lar en yak\u0131n sunucuya ba\u011flanarak en h\u0131zl\u0131 cevab\u0131 al\u0131r. Bu, d\u00fc\u015f\u00fck gecikme s\u00fcresi ve y\u00fcksek performans sa\u011flar.<\/p>\n<h2>Sonu\u00e7 ve S\u0131k\u00e7a Sorulan Sorular<\/h2>\n<p>DNS, \u0130nternet&#8217;in temel yap\u0131 ta\u015flar\u0131ndan biridir ve web sitelerine eri\u015fimimizin temelini olu\u015fturur.  Bu makalede, DNS&#8217;in temel kavramlar\u0131ndan ileri d\u00fczey tekniklerine kadar geni\u015f bir yelpazede bilgi vermeye \u00e7al\u0131\u015ft\u0131k.  DNS&#8217;in nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131 anlamak, \u0130nternet&#8217;i daha iyi anlaman\u0131za ve web sitelerinizin performans\u0131n\u0131 optimize etmenize yard\u0131mc\u0131 olacakt\u0131r.<\/p>\n<h3>S\u0131k\u00e7a Sorulan Sorular<\/h3>\n<ul>\n<li><b>DNS sunucumun IP adresini nas\u0131l bulabilirim?<\/b>  Komut sat\u0131r\u0131nda <code>ipconfig \/all<\/code> (Windows) veya <code>ifconfig<\/code> (Linux\/macOS) komutunu \u00e7al\u0131\u015ft\u0131rarak yerel DNS sunucunuzun IP adresini bulabilirsiniz.<\/li>\n<li><b>DNS kay\u0131tlar\u0131n\u0131 nas\u0131l y\u00f6netirim?<\/b>  Alan ad\u0131n\u0131z\u0131n kay\u0131tlar\u0131n\u0131 y\u00f6netebilmek i\u00e7in alan ad\u0131n\u0131z\u0131n kay\u0131t \u015firketinin kontrol panelini kullanmal\u0131s\u0131n\u0131z.<\/li>\n<li><b>DNSSEC nedir ve neden \u00f6nemlidir?<\/b>  DNSSEC (DNS Security Extensions), DNS sorgular\u0131n\u0131n ve yan\u0131tlar\u0131n\u0131n g\u00fcvenli\u011fini sa\u011flayan bir g\u00fcvenlik protokol\u00fcd\u00fcr.  DNS spoofing gibi sald\u0131r\u0131lara kar\u015f\u0131 koruma sa\u011flar.<\/li>\n<li><b>CDN kullanman\u0131n DNS performans\u0131na etkisi nedir?<\/b>  CDN kullan\u0131m\u0131, DNS performans\u0131n\u0131 art\u0131r\u0131r \u00e7\u00fcnk\u00fc i\u00e7erikler kullan\u0131c\u0131ya daha yak\u0131n sunuculardan da\u011f\u0131t\u0131l\u0131r.  Bu, gecikme s\u00fcresini azalt\u0131r ve eri\u015fim h\u0131z\u0131n\u0131 art\u0131r\u0131r.<\/li>\n<li><b>DNS&#8217;i kendim kurabilir miyim?<\/b>  Evet, kendi DNS sunucunuzu kurabilirsiniz, ancak bu olduk\u00e7a karma\u015f\u0131k bir i\u015flemdir ve uzmanl\u0131k gerektirir.  Daha fazla bilgi i\u00e7in <a href=\"https:\/\/fatihsoysal.com\">https:\/\/fatihsoysal.com<\/a> adresini inceleyebilirsiniz.<\/li>\n<\/ul>\n<p>Yazar: Fatih Soysal<\/p>\n","protected":false},"excerpt":{"rendered":"DNS 101: \u0130nternetin Web Siteleri \u0130\u00e7in GPS&#8217;i \u0130nternette gezinirken, bir web sitesinin adresini (\u00f6rne\u011fin, google.com) taray\u0131c\u0131n\u0131za yaz\u0131p Enter&hellip;","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"csco_page_header_type":"","csco_page_load_nextpost":"","csco_page_subscribe_form":"","csco_page_contact_form":"","footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-29086","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-genel","7":"cs-entry","8":"cs-video-wrap"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.5 (Yoast SEO v25.3.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>DNS 101: \u0130nternetin Web Siteleri \u0130\u00e7in GPS&#039;i<\/title>\n<meta name=\"description\" content=\"\u0130nternette gezinirken, bir web sitesinin adresini (\u00f6rne\u011fin, google.com) taray\u0131c\u0131n\u0131za yaz\u0131p Enter tu\u015funa bast\u0131\u011f\u0131n\u0131zda, sihirli bir \u015fekilde ilgili sayfaya ula\u015fabiliyorsunuz. Peki bu &quot;sihir&quot; nas\u0131l ger\u00e7ekle\u015fiyor? Bu sorunun cevab\u0131, DNS (Domain Name System) yani Alan Ad\u0131 Sistemi&#039;nde yat\u0131yor. DNS, \u0130nternet&#039;in telefon defteri gibidir; insan taraf\u0131ndan okunabilir web site adreslerini, bilgisayarlar\u0131n anlayabilece\u011fi IP adreslerine \u00e7evirir. Bu makalede, DNS&#039;in temel i\u015fleyi\u015finden ileri d\u00fczey tekniklerine kadar her \u015feyi ele alaca\u011f\u0131z.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fatihsoysal.com\/blog\/dns-101-internetin-web-siteleri-icin-gpsi\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"DNS 101: \u0130nternetin Web Siteleri \u0130\u00e7in GPS&#039;i\" \/>\n<meta property=\"og:description\" content=\"\u0130nternette gezinirken, bir web sitesinin adresini (\u00f6rne\u011fin, google.com) taray\u0131c\u0131n\u0131za yaz\u0131p Enter tu\u015funa bast\u0131\u011f\u0131n\u0131zda, sihirli bir \u015fekilde ilgili sayfaya ula\u015fabiliyorsunuz. Peki bu &quot;sihir&quot; nas\u0131l ger\u00e7ekle\u015fiyor? Bu sorunun cevab\u0131, DNS (Domain Name System) yani Alan Ad\u0131 Sistemi&#039;nde yat\u0131yor. DNS, \u0130nternet&#039;in telefon defteri gibidir; insan taraf\u0131ndan okunabilir web site adreslerini, bilgisayarlar\u0131n anlayabilece\u011fi IP adreslerine \u00e7evirir. Bu makalede, DNS&#039;in temel i\u015fleyi\u015finden ileri d\u00fczey tekniklerine kadar her \u015feyi ele alaca\u011f\u0131z.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/fatihsoysal.com\/blog\/dns-101-internetin-web-siteleri-icin-gpsi\/\" \/>\n<meta property=\"og:site_name\" content=\"Kodlar\u0131n Gizemli D\u00fcnyas\u0131\" \/>\n<meta property=\"article:published_time\" content=\"2025-09-07T11:00:27+00:00\" \/>\n<meta name=\"author\" content=\"Fatih Soysal\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Yazan:\" \/>\n\t<meta name=\"twitter:data1\" content=\"Fatih Soysal\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tahmini okuma s\u00fcresi\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 dakika\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/dns-101-internetin-web-siteleri-icin-gpsi\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/dns-101-internetin-web-siteleri-icin-gpsi\/\"},\"author\":{\"name\":\"Fatih Soysal\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1\"},\"headline\":\"DNS 101: \u0130nternetin Web Siteleri \u0130\u00e7in GPS&#8217;i\",\"datePublished\":\"2025-09-07T11:00:27+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/dns-101-internetin-web-siteleri-icin-gpsi\/\"},\"wordCount\":1654,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1\"},\"inLanguage\":\"tr\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/fatihsoysal.com\/blog\/dns-101-internetin-web-siteleri-icin-gpsi\/#respond\"]}],\"copyrightYear\":\"2025\",\"copyrightHolder\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/dns-101-internetin-web-siteleri-icin-gpsi\/\",\"url\":\"https:\/\/fatihsoysal.com\/blog\/dns-101-internetin-web-siteleri-icin-gpsi\/\",\"name\":\"DNS 101: \u0130nternetin Web Siteleri \u0130\u00e7in GPS'i\",\"isPartOf\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#website\"},\"datePublished\":\"2025-09-07T11:00:27+00:00\",\"description\":\"\u0130nternette gezinirken, bir web sitesinin adresini (\u00f6rne\u011fin, google.com) taray\u0131c\u0131n\u0131za yaz\u0131p Enter tu\u015funa bast\u0131\u011f\u0131n\u0131zda, sihirli bir \u015fekilde ilgili sayfaya ula\u015fabiliyorsunuz. 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