{"id":925580,"date":"2024-08-05T00:48:46","date_gmt":"2024-08-05T00:48:46","guid":{"rendered":"https:\/\/proxyelite.info\/?p=925580"},"modified":"2024-08-05T00:48:47","modified_gmt":"2024-08-05T00:48:47","slug":"what-is-dns","status":"publish","type":"post","link":"https:\/\/proxyelite.info\/tr\/what-is-dns\/","title":{"rendered":"DNS nedir?"},"content":{"rendered":"
Terim<\/strong><\/th>Tan\u0131m<\/strong><\/th><\/tr><\/thead>
DNS<\/strong><\/td>Alan Ad\u0131 Sistemi, insanlar\u0131n okuyabildi\u011fi alan adlar\u0131n\u0131 IP adreslerine \u00e7eviren sistem.<\/td><\/tr>
Alan ad\u0131<\/strong><\/td>Bir web sitesine eri\u015fmek i\u00e7in kullan\u0131lan, insanlar taraf\u0131ndan okunabilen adres (\u00f6r. example.com<\/code>).<\/td><\/tr>
IP adresi<\/strong><\/td>Bir bilgisayar a\u011f\u0131na ba\u011fl\u0131 her cihaza atanan say\u0131sal etiket (\u00f6rn. 192.0.2.1<\/code>).<\/td><\/tr>
DNS \u00c7\u00f6z\u00fcmleyici<\/strong><\/td>\u0130stemci cihazlardan gelen DNS sorgular\u0131na yan\u0131t veren bir sunucu.<\/td><\/tr>
Yetkili DNS Sunucusu<\/strong><\/td>Bir alan ad\u0131n\u0131n kesin kay\u0131tlar\u0131n\u0131 tutan bir DNS sunucusu.<\/td><\/tr>
K\u00f6k DNS Sunucusu<\/strong><\/td>Bir alan ad\u0131n\u0131 bir IP adresine \u00e7evirmenin ilk ad\u0131m\u0131, sorgular\u0131n uygun \u00fcst d\u00fczey alan sunucular\u0131na y\u00f6nlendirilmesidir.<\/td><\/tr>
TLD Sunucusu<\/strong><\/td>Belirli alan ad\u0131 uzant\u0131lar\u0131ndan sorumlu \u00dcst D\u00fczey Etki Alan\u0131 Sunucusu .com<\/code>, .org<\/code>, vesaire.<\/td><\/tr>
\u00d6nbellek<\/strong><\/td>S\u0131k eri\u015filen verilerin daha h\u0131zl\u0131 eri\u015fim i\u00e7in depoland\u0131\u011f\u0131 bir depolama konumu.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Alan Ad\u0131 Sistemi (DNS), internet altyap\u0131s\u0131n\u0131n kritik bir bile\u015fenidir. Bir telefon rehberine \u00e7ok benzer \u015fekilde \u00e7al\u0131\u015f\u0131r ve insan dostu alan adlar\u0131n\u0131, bilgisayarlar\u0131n a\u011fda birbirlerini tan\u0131mlamak i\u00e7in kulland\u0131klar\u0131 IP adreslerine d\u00f6n\u00fc\u015ft\u00fcr\u00fcr. DNS olmadan, bildi\u011fimiz haliyle internet m\u00fcmk\u00fcn olmazd\u0131 \u00e7\u00fcnk\u00fc kullan\u0131c\u0131lar basit web sitesi adlar\u0131 yerine karma\u015f\u0131k say\u0131 dizilerini hat\u0131rlamak zorunda kalacakt\u0131.<\/p>\n\n\n\n

DNS Neden \u00d6nemlidir<\/h2>\n\n\n\n

DNS, interneti kullan\u0131c\u0131 dostu ve eri\u015filebilir hale getirmede \u00e7ok \u00f6nemli bir rol oynar. Kullan\u0131c\u0131lar\u0131n web taray\u0131c\u0131lar\u0131na hat\u0131rlanmas\u0131 kolay alan adlar\u0131n\u0131 girmelerine olanak tan\u0131r ve bunlar daha sonra kullan\u0131c\u0131n\u0131n cihaz\u0131n\u0131 istenen web sitesine y\u00f6nlendiren IP adreslerine d\u00f6n\u00fc\u015ft\u00fcr\u00fcl\u00fcr. Bu i\u015flem arka planda neredeyse an\u0131nda ger\u00e7ekle\u015fir ve kusursuz bir gezinme deneyimi sa\u011flar.<\/p>\n\n\n\n

Ancak DNS yaln\u0131zca kolayl\u0131k sa\u011flamakla ilgili de\u011fildir. Bu ayn\u0131 zamanda g\u00fcvenlik ve verimlilikle de ilgilidir. Modern DNS sistemleri, kullan\u0131c\u0131lar\u0131 k\u00f6t\u00fc ama\u00e7l\u0131 web sitelerine y\u00f6nlendirebilecek DNS sahtekarl\u0131\u011f\u0131 veya \u00f6nbellek zehirlenmesi gibi siber sald\u0131r\u0131lar\u0131 \u00f6nlemeye yard\u0131mc\u0131 olan \u00f6zellikler i\u00e7erir.<\/p>\n\n\n\n

DNS Nas\u0131l \u00c7al\u0131\u015f\u0131r: Ad\u0131m Ad\u0131m Bir Ar\u0131za<\/h2>\n\n\n\n

Bir alan ad\u0131n\u0131 bir IP adresine \u00e7\u00f6z\u00fcmleme s\u00fcreci birka\u00e7 ad\u0131mdan olu\u015fur:<\/p>\n\n\n\n

    \n
  1. DNS Sorgu Ba\u015flatma<\/strong>
    Taray\u0131c\u0131n\u0131za bir alan ad\u0131 yazd\u0131\u011f\u0131n\u0131zda, cihaz\u0131n\u0131z genellikle \u0130nternet Servis Sa\u011flay\u0131c\u0131n\u0131z (\u0130SS) taraf\u0131ndan sa\u011flanan bir DNS \u00e7\u00f6z\u00fcmleyiciye bir sorgu g\u00f6nderir. Bu, ilgili IP adresini bulman\u0131n ilk ad\u0131m\u0131d\u0131r.<\/li>\n\n\n\n
  2. \u00d6nbelle\u011fi Kontrol Etme<\/strong>
    DNS \u00e7\u00f6z\u00fcmleyici, alan ad\u0131yla ili\u015fkili IP adresini zaten bilip bilmedi\u011fini g\u00f6rmek i\u00e7in \u00f6nbelle\u011fini kontrol eder. B\u00f6yle bir durumda \u00e7\u00f6z\u00fcmleyici IP adresini hemen geri g\u00f6ndererek s\u00fcreci h\u0131zland\u0131r\u0131r.<\/li>\n\n\n\n
  3. K\u00f6k DNS Sunucusu<\/strong>
    IP adresi \u00f6nbellekte de\u011filse \u00e7\u00f6z\u00fcmleyici k\u00f6k DNS sunucusunu sorgular. K\u00f6k sunucunun kendisi IP adresine sahip de\u011fildir ancak bundan sonra hangi \u00fcst d\u00fczey etki alan\u0131 (TLD) sunucusunun sorulaca\u011f\u0131n\u0131 bilir.<\/li>\n\n\n\n
  4. TLD DNS Sunucusu<\/strong>
    K\u00f6k sunucu, \u00e7\u00f6z\u00fcmleyiciyi a\u015fa\u011f\u0131daki i\u015flemlerden sorumlu olanlar gibi bir TLD sunucusuna y\u00f6nlendirir: .com<\/code>, .org<\/code>, veya .net<\/code>. TLD sunucusu, ger\u00e7ek IP adresini tutan yetkili DNS sunucusunu bilir.<\/li>\n\n\n\n
  5. Yetkili DNS Sunucusu<\/strong>
    Son olarak TLD sunucusu, \u00e7\u00f6z\u00fcmleyiciyi, belirli alan ad\u0131na ili\u015fkin kay\u0131tlar\u0131 i\u00e7eren yetkili DNS sunucusuna y\u00f6nlendirir. Bu sunucu IP adresini \u00e7\u00f6z\u00fcmleyiciye d\u00f6nd\u00fcr\u00fcr.<\/li>\n\n\n\n
  6. Web Sitesine Ba\u011flanma<\/strong>
    Elinizdeki IP adresiyle, taray\u0131c\u0131n\u0131z art\u0131k siteyi bar\u0131nd\u0131ran web sunucusuna ba\u011flanabilir ve web sayfas\u0131 ekran\u0131n\u0131za y\u00fcklenir.<\/li>\n<\/ol>\n\n\n\n

    Bu s\u00fcrecin tamam\u0131 genellikle yaln\u0131zca milisaniyeler s\u00fcrer, ancak d\u00fcnya genelinde birden fazla sunucu aras\u0131ndaki ileti\u015fimi i\u00e7erir.<\/p>\n\n\n\n

    DNS ve Proxy Sunucular\u0131<\/h2>\n\n\n\n

    Proxy sunucular\u0131 kullananlar i\u00e7in DNS'yi anlamak \u00e7ok \u00f6nemlidir. Proxy sunucular\u0131, kullan\u0131c\u0131n\u0131n cihaz\u0131 ile internet aras\u0131nda arac\u0131 g\u00f6revi g\u00f6rerek kullan\u0131c\u0131n\u0131n IP adresini maskeler ve gizlilik sa\u011flar. Ancak DNS sorgular\u0131 bazen proxy'yi atlayarak kullan\u0131c\u0131n\u0131n ger\u00e7ek IP adresini ortaya \u00e7\u0131karabilir. Bu, DNS s\u0131z\u0131nt\u0131s\u0131 olarak bilinir.<\/p>\n\n\n\n

    DNS s\u0131z\u0131nt\u0131lar\u0131n\u0131 \u00f6nlemek i\u00e7in kullan\u0131c\u0131lar, DNS sorgular\u0131n\u0131n proxy sunucu \u00fczerinden y\u00f6nlendirildi\u011finden emin olmal\u0131 veya DNS s\u0131z\u0131nt\u0131s\u0131 korumas\u0131 i\u00e7eren bir proxy hizmeti kullanmal\u0131d\u0131r. Bu, DNS sorgular\u0131 da dahil olmak \u00fczere ba\u011flant\u0131n\u0131n t\u00fcm b\u00f6l\u00fcmlerinin \u00f6zel ve g\u00fcvenli kalmas\u0131n\u0131 sa\u011flar.<\/p>\n\n\n\n

    DNS T\u00fcrleri ve Kullan\u0131mlar\u0131<\/h2>\n\n\n\n

    DNS herkese uygun tek \u00e7\u00f6z\u00fcm de\u011fildir; Her biri belirli ihtiya\u00e7lara uygun olan farkl\u0131 t\u00fcrde DNS yap\u0131land\u0131rmalar\u0131 vard\u0131r:<\/p>\n\n\n\n

      \n
    1. Genel DNS<\/strong>
      Google (\u00f6rn. 8.8.8.8) veya Cloudflare (\u00f6rn. 1.1.1.1) taraf\u0131ndan sa\u011flananlar gibi genel DNS sunucular\u0131 herkesin kullan\u0131m\u0131na a\u00e7\u0131kt\u0131r ve h\u0131zl\u0131, g\u00fcvenilir DNS \u00e7\u00f6z\u00fcm\u00fc sunar. Bunlar genellikle \u0130SS'ler taraf\u0131ndan sa\u011flanan DNS hizmetlerine alternatif olarak kullan\u0131l\u0131r.<\/li>\n\n\n\n
    2. \u00d6zel DNS<\/strong>
      \u00d6zel DNS sunucular\u0131 genellikle bir kurulu\u015f i\u00e7inde dahili alan ad\u0131 \u00e7\u00f6z\u00fcmlemesini y\u00f6netmek i\u00e7in kullan\u0131l\u0131r. Dahili alan adlar\u0131n\u0131n \u00f6zel a\u011f i\u00e7inde \u00e7\u00f6z\u00fcmlenmesini sa\u011flayarak, DNS s\u00fcreci \u00fczerinde ek bir g\u00fcvenlik ve kontrol katman\u0131 sa\u011flarlar.<\/li>\n\n\n\n
    3. \u00d6zyinelemeli DNS<\/strong>
      \u00d6zyinelemeli bir DNS \u00e7\u00f6z\u00fcmleyici, bir alan ad\u0131yla ili\u015fkili IP adresini bulmak i\u00e7in birden fazla DNS sunucusunu sorgulayarak istemci ad\u0131na hareket eder. T\u00fcm a\u011f\u0131r i\u015fleri yapan bir arac\u0131 gibidir, b\u00f6ylece son kullan\u0131c\u0131n\u0131n DNS s\u00fcrecinin karma\u015f\u0131kl\u0131\u011f\u0131 konusunda endi\u015felenmesine gerek kalmaz.<\/li>\n\n\n\n
    4. Yetkili DNS<\/strong>
      Yetkili bir DNS sunucusu, belirli etki alan\u0131 kay\u0131tlar\u0131 i\u00e7in kesin kaynakt\u0131r. Alan adlar\u0131na ili\u015fkin sorgulara yan\u0131t veren DNS kay\u0131tlar\u0131n\u0131 tutar ve alana eri\u015fmeye \u00e7al\u0131\u015fan kullan\u0131c\u0131lara do\u011fru IP adreslerinin d\u00f6nd\u00fcr\u00fclmesini sa\u011flar.<\/li>\n<\/ol>\n\n\n\n

      Siber G\u00fcvenlikte DNS'nin Rol\u00fc<\/h2>\n\n\n\n

      DNS, internet i\u015flevselli\u011findeki kritik rol\u00fc nedeniyle s\u0131kl\u0131kla siber sald\u0131r\u0131larda hedef al\u0131n\u0131r. Yayg\u0131n DNS ile ilgili sald\u0131r\u0131lar \u015funlar\u0131 i\u00e7erir:<\/p>\n\n\n\n

        \n
      • DNS Sahtekarl\u0131\u011f\u0131<\/strong>
        DNS \u00f6nbellek zehirlenmesi olarak da bilinen bu sald\u0131r\u0131, bir \u00e7\u00f6z\u00fcmleyicinin \u00f6nbelle\u011fine yanl\u0131\u015f DNS kay\u0131tlar\u0131n\u0131n eklenmesini i\u00e7erir ve kullan\u0131c\u0131lar\u0131n bilgisi olmadan k\u00f6t\u00fc ama\u00e7l\u0131 sitelere y\u00f6nlendirilmesine neden olur.<\/li>\n\n\n\n
      • DDoS Sald\u0131r\u0131lar\u0131<\/strong>
        Da\u011f\u0131t\u0131lm\u0131\u015f Hizmet Reddi (DDoS) sald\u0131r\u0131lar\u0131, DNS sunucular\u0131n\u0131 bir istek seli ile bunaltabilir, bu sunucular\u0131n me\u015fru sorgulara yan\u0131t verememesine neden olabilir ve web sitelerini etkili bir \u015fekilde \u00e7evrimd\u0131\u015f\u0131na alabilir.<\/li>\n<\/ul>\n\n\n\n

        Bu riskleri azaltmak i\u00e7in kurulu\u015flar, DNS yan\u0131tlar\u0131n\u0131n dijital olarak imzalanmas\u0131n\u0131 sa\u011flayarak bir g\u00fcvenlik katman\u0131 ekleyen DNSSEC (DNS G\u00fcvenlik Uzant\u0131lar\u0131) gibi DNS g\u00fcvenlik \u00f6nlemlerini uygular.<\/p>\n\n\n\n

        DNS Ara\u00e7lar\u0131 ve Kaynaklar\u0131<\/h2>\n\n\n\n

        \u00c7e\u015fitli ara\u00e7 ve kaynaklar, kullan\u0131c\u0131lar\u0131n ve y\u00f6neticilerin DNS'yi y\u00f6netmesine ve sorunlar\u0131n\u0131 gidermesine yard\u0131mc\u0131 olabilir:<\/p>\n\n\n\n

          \n
        1. DNS Arama Ara\u00e7lar\u0131<\/strong>
          Gibi \u00e7evrimi\u00e7i ara\u00e7lar dig<\/code>, nslookup<\/code>ve MXToolbox gibi \u00e7evrimi\u00e7i hizmetler, kullan\u0131c\u0131lar\u0131n DNS kay\u0131tlar\u0131n\u0131 sorgulamas\u0131na, DNS yap\u0131land\u0131rmalar\u0131n\u0131 do\u011frulamas\u0131na ve sorunlar\u0131 te\u015fhis etmesine olanak tan\u0131r.<\/li>\n\n\n\n
        2. DNS Kar\u015f\u0131la\u015ft\u0131rma Ara\u00e7lar\u0131<\/strong>
          Gibi ara\u00e7lar Namebench<\/code> veya DNS Benchmark<\/code> \u00e7e\u015fitli DNS sunucular\u0131n\u0131n h\u0131z\u0131n\u0131 ve performans\u0131n\u0131 test ederek kullan\u0131c\u0131lar\u0131n ihtiya\u00e7lar\u0131na g\u00f6re en h\u0131zl\u0131 DNS sa\u011flay\u0131c\u0131s\u0131n\u0131 se\u00e7melerine yard\u0131mc\u0131 olabilir.<\/li>\n\n\n\n
        3. DNS Y\u00f6netim Yaz\u0131l\u0131m\u0131<\/strong>
          Kurulu\u015flar i\u00e7in DNS y\u00f6netim yaz\u0131l\u0131m\u0131, DNS kay\u0131tlar\u0131n\u0131 y\u00f6netmek, DNS etkinli\u011fini izlemek ve DNS yap\u0131land\u0131rmalar\u0131n\u0131n optimize edildi\u011finden ve g\u00fcvenli oldu\u011fundan emin olmak i\u00e7in merkezi bir platform sa\u011flar.<\/li>\n<\/ol>\n\n\n\n

          DNS'nin Gelece\u011fi<\/h2>\n\n\n\n

          \u0130nternet geli\u015fmeye devam ettik\u00e7e DNS de geli\u015fiyor. HTTPS \u00fczerinden DNS (DoH) ve TLS \u00fczerinden DNS'nin (DoT) benimsenmesi, DNS sorgular\u0131n\u0131 \u015fifreleyerek DNS gizlili\u011fini ve g\u00fcvenli\u011fini art\u0131rmak i\u00e7in tasarlanm\u0131\u015f yeni teknolojilerin \u00f6rnekleridir. Bu protokoller, \u00fc\u00e7\u00fcnc\u00fc taraflar\u0131n DNS sorgular\u0131na m\u00fcdahale etmesini veya bunlar\u0131 de\u011fi\u015ftirmesini \u00f6nleyerek kullan\u0131c\u0131lara daha fazla koruma sa\u011flar.<\/p>\n\n\n\n

          Ayr\u0131ca internete ba\u011fl\u0131 cihazlar\u0131n say\u0131s\u0131 artt\u0131k\u00e7a, artan talebi kar\u015f\u0131lamak i\u00e7in DNS'nin de \u00f6l\u00e7eklendirilmesi gerekecektir. Buna, eski IPv4 sisteminden \u00e7ok daha fazla say\u0131da IP adresine izin veren IPv6'ya ge\u00e7i\u015fin desteklenmesi de dahildir.<\/p>\n\n\n\n

          \u00c7\u00f6z\u00fcm<\/h2>\n\n\n\n

          DNS'yi anlamak yaln\u0131zca BT alan\u0131nda \u00e7al\u0131\u015fanlar i\u00e7in de\u011fil, interneti kullanan herkes i\u00e7in de \u00e7ok \u00f6nemlidir. Kullan\u0131c\u0131 dostu alan adlar\u0131n\u0131 bilgisayarlar\u0131n ileti\u015fim kurmak i\u00e7in kulland\u0131\u011f\u0131 IP adreslerine d\u00f6n\u00fc\u015ft\u00fcrerek modern web taramas\u0131n\u0131 m\u00fcmk\u00fcn k\u0131lan omurgad\u0131r. \u0130nternet g\u00fcvenli\u011fi ve gizlili\u011fine verilen \u00f6nemin artmas\u0131yla birlikte, DNS'nin nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131 ve DNS sorgular\u0131n\u0131n nas\u0131l korunaca\u011f\u0131n\u0131 bilmek her zamankinden daha \u00f6nemli. \u0130ster genel DNS kullan\u0131yor olun, ister \u00f6zel DNS sunucular\u0131n\u0131 y\u00f6netiyor olun, ister \u00e7evrimi\u00e7i etkinliklerinizi proxy sunucular arac\u0131l\u0131\u011f\u0131yla g\u00fcvence alt\u0131na al\u0131yor olun, DNS temellerini sa\u011flam bir \u015fekilde kavramak \u00e7ok \u00f6nemlidir.<\/p>\n\n\n\n

          Kullan\u0131c\u0131lar DNS'in inceliklerini anlayarak daha g\u00fcvenli, daha verimli ve daha g\u00fcvenilir bir \u00e7evrimi\u00e7i deneyim sa\u011flayabilirler.<\/p>","protected":false},"excerpt":{"rendered":"

          Term Description DNS Domain Name System, the system that translates human-readable domain names into IP addresses. Domain Name The human-readable address used to access a website (e.g., example.com). IP Address A numerical label assigned to each device connected to a computer network (e.g., 192.0.2.1). DNS Resolver A server that responds to DNS queries from client […]<\/p>\n","protected":false},"author":1,"featured_media":925581,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-925580","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles"],"acf":[],"_links":{"self":[{"href":"https:\/\/proxyelite.info\/tr\/wp-json\/wp\/v2\/posts\/925580","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/proxyelite.info\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/proxyelite.info\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/proxyelite.info\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/proxyelite.info\/tr\/wp-json\/wp\/v2\/comments?post=925580"}],"version-history":[{"count":1,"href":"https:\/\/proxyelite.info\/tr\/wp-json\/wp\/v2\/posts\/925580\/revisions"}],"predecessor-version":[{"id":925582,"href":"https:\/\/proxyelite.info\/tr\/wp-json\/wp\/v2\/posts\/925580\/revisions\/925582"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/proxyelite.info\/tr\/wp-json\/wp\/v2\/media\/925581"}],"wp:attachment":[{"href":"https:\/\/proxyelite.info\/tr\/wp-json\/wp\/v2\/media?parent=925580"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/proxyelite.info\/tr\/wp-json\/wp\/v2\/categories?post=925580"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/proxyelite.info\/tr\/wp-json\/wp\/v2\/tags?post=925580"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}