{"id":2342,"date":"2026-10-20T06:03:09","date_gmt":"2026-10-20T06:03:09","guid":{"rendered":"https:\/\/junglelabs.uk\/"},"modified":"2026-10-20T06:03:09","modified_gmt":"2026-10-20T06:03:09","slug":"what-is-dns-propagation-why-dns-changes-take-time","status":"publish","type":"post","link":"https:\/\/junglelabs.uk\/tr\/what-is-dns-propagation-why-dns-changes-take-time\/","title":{"rendered":"DNS Yay\u0131lma Nedir? DNS De\u011fi\u015fikliklerinin Neden Zaman Almas\u0131"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Bir alan ad\u0131n\u0131n DNS kay\u0131tlar\u0131n\u0131 g\u00fcnceller, de\u011fi\u015fikli\u011fi kaydeder ve yeni web sitesinin veya e-posta hizmetinin hemen \u00e7al\u0131\u015fmas\u0131n\u0131 beklersiniz. Ancak bir meslekta\u015f\u0131n\u0131z h\u00e2l\u00e2 eski web sitesini g\u00f6r\u00fcyor, \u00e7evrimi\u00e7i bir kontrol arac\u0131 farkl\u0131 bir adres g\u00f6steriyor veya e-posta teslimat\u0131 tutars\u0131z davran\u0131yor. Bu gecikme genellikle \u015funa denir: <strong>DNS yay\u0131l\u0131m\u0131<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bu ifade, tek bir g\u00fcncelleme merkezi bir \u0130nternet sistemi \u00fczerinden hareket ediyormu\u015f gibi alg\u0131lanabilir. Ancak DNS da\u011f\u0131t\u0131k bir yap\u0131dad\u0131r. Alan ad\u0131 bilgileri yetkili isim sunucular\u0131, \u00f6zyinelemeli \u00e7\u00f6z\u00fcc\u00fcler, y\u00f6nlendiriciler, i\u015fletim sistemleri ve uygulamalar aras\u0131nda saklan\u0131r ve \u00f6nbelle\u011fe al\u0131n\u0131r. Her sistem, bilgilerini farkl\u0131 zamanlarda yenileyebilir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c7o\u011fu DNS de\u011fi\u015fikli\u011fi, \u00f6nbellekler s\u00fcresi doldu\u011funda ve \u00e7\u00f6z\u00fcc\u00fcler yeni kay\u0131tlar\u0131 getirdi\u011finde g\u00f6r\u00fcn\u00fcr hale gelir. Bu i\u015flemin ne kadar s\u00fcrmesi, kayd\u0131n \u00f6nceki Ya\u015fam S\u00fcresi (TTL) de\u011ferine, \u00e7\u00f6z\u00fcc\u00fc davran\u0131\u015f\u0131na ve yetkili DNS yap\u0131land\u0131rmas\u0131n\u0131n do\u011fru olup olmad\u0131\u011f\u0131na ba\u011fl\u0131d\u0131r. Her kullan\u0131c\u0131n\u0131n yeni yan\u0131t\u0131 g\u00f6rece\u011fini garanti eden evrensel bir s\u00fcre yoktur.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bu k\u0131lavuz, insanlar\u0131n DNS yay\u0131l\u0131m\u0131ndan ne anlama geldi\u011fini a\u00e7\u0131klar, DNS de\u011fi\u015fikliklerinin neden farkl\u0131 zamanlarda g\u00f6r\u00fcnd\u00fc\u011f\u00fcn\u00fc, bir etki alan\u0131n\u0131n mevcut yan\u0131tlar\u0131n\u0131 nas\u0131l kontrol edilece\u011fini ve bir g\u00fcncelleme hala eksik g\u00f6r\u00fcn\u00fcyorsa ne yap\u0131lmas\u0131 gerekti\u011fini anlat\u0131r.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DNS Yay\u0131l\u0131m\u0131 Ne Anlama Gelir?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">DNS yay\u0131l\u0131m\u0131, DNS kay\u0131tlar\u0131 de\u011fi\u015ftirildikten sonra farkl\u0131 kullan\u0131c\u0131lar\u0131n veya DNS \u00e7\u00f6z\u00fcc\u00fclerinin farkl\u0131 yan\u0131tlar alabilece\u011fi s\u00fcreyi ifade eden yayg\u0131n bir terimdir. Bir a\u011fdaki bir kullan\u0131c\u0131 yeni IP adresini zaten g\u00f6rebilirken, ba\u015fka bir kullan\u0131c\u0131n\u0131n \u00e7\u00f6z\u00fcmleyicisi \u00f6nbelle\u011fe al\u0131nm\u0131\u015f eski adresi d\u00f6nd\u00fcrmeye devam edebilir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Temel DNS de\u011fi\u015fikli\u011fi, alan ad\u0131 i\u00e7in yetkili isim sunucular\u0131nda yap\u0131l\u0131r. \u00d6zyineleyici \u00e7\u00f6z\u00fcc\u00fcler daha sonra kullan\u0131c\u0131lar\u0131 i\u00e7in kay\u0131tlar\u0131 al\u0131r ve \u00f6nbelle\u011fe al\u0131r. Bu \u00e7\u00f6z\u00fcc\u00fcler, birisi alan ad\u0131n\u0131 her ziyaret etti\u011finde yetkili sunuculara tekrar sormak zorunda de\u011fildir. Ge\u00e7erli oldu\u011fu s\u00fcrece \u00f6nbelle\u011fe al\u0131nm\u0131\u015f bir yan\u0131t\u0131 yeniden kullanabilirler.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bu nedenle \"yay\u0131lma\" daha iyi bir \u015fekilde \u015f\u00f6yle anla\u015f\u0131lmal\u0131d\u0131r: <strong>\u00f6nbellek s\u00fcresi dolma ve yenileme<\/strong>. Her \u0130nternet'e ba\u011fl\u0131 cihazda ayn\u0131 anda g\u00fcncellenmesi gereken merkezi bir kopya yoktur. Baz\u0131 \u00e7\u00f6z\u00fcc\u00fcler h\u00e2l\u00e2 eski \u00f6nbelle\u011fe al\u0131nm\u0131\u015f verileri sunarken yetkili kay\u0131t zaten do\u011fru olabilir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DNS \u00d6nbellekleme Nas\u0131l \u00c7al\u0131\u015f\u0131r<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Bir taray\u0131c\u0131 bir etki alan\u0131n\u0131n IP adresini bulmak istedi\u011finde, ismin \u00e7\u00f6z\u00fclmesi i\u00e7in i\u015fletim sistemine ba\u015fvurur. \u0130\u015fletim sisteminde \u00f6nbelle\u011fe al\u0131nm\u0131\u015f bir yan\u0131t bulunabilir. E\u011fer b\u00f6yle bir yan\u0131t yoksa, yap\u0131land\u0131r\u0131lm\u0131\u015f bir yinelenen \u00e7\u00f6z\u00fcc\u00fcye (\u00f6rne\u011fin bir internet sa\u011flay\u0131c\u0131s\u0131, \u015firket veya halka a\u00e7\u0131k DNS hizmeti taraf\u0131ndan y\u00f6netilen) ba\u015fvurur.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Yinelenen \u00e7\u00f6z\u00fcmleyici ayr\u0131ca \u00f6nbelle\u011fe al\u0131nm\u0131\u015f bir yan\u0131t da i\u00e7erebilir. Bu yan\u0131t hala \u00f6nbellek ya\u015fam s\u00fcresi i\u00e7indeyse, yetkili ad sunucular\u0131na ba\u015fvurmadan bu yan\u0131t\u0131 d\u00f6nd\u00fcrebilir. \u00d6nbellekteki kay\u0131t s\u00fcresi doldu\u011funda, \u00e7\u00f6z\u00fcmleyici yetkili DNS sistemini sorgulayabilir ve g\u00fcncellenmi\u015f yan\u0131t\u0131 depolayabilir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00d6nbelle\u011fe alma, arama s\u00fcresini ve DNS altyap\u0131s\u0131ndaki y\u00fck\u00fc azalt\u0131r. Ayr\u0131ca, kay\u0131t de\u011fi\u015fikliklerinin her \u00e7\u00f6z\u00fcmleyici taraf\u0131ndan ayn\u0131 anda g\u00f6r\u00fclmeyece\u011fi anlam\u0131na gelir. Eski yan\u0131t, \u00f6nbelle\u011fi s\u00fcresi dolana veya \u00e7\u00f6z\u00fcmleyici onu ba\u015fka \u015fekilde yenileyene kadar bir \u00e7\u00f6z\u00fcmleyici taraf\u0131ndan kullan\u0131labilir kal\u0131r.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Farkl\u0131 kullan\u0131c\u0131lar farkl\u0131 \u00f6zyineleyici \u00e7\u00f6z\u00fcc\u00fcler kullanabilir. Ayn\u0131 evde ya\u015fayan ki\u015filer bile cihazlar\u0131 farkl\u0131 DNS hizmetleri, VPN'ler, mobil a\u011flar veya yerel \u00f6nbellekler kullan\u0131yorsa farkl\u0131 yan\u0131tlar g\u00f6rebilir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DNS'de TTL nedir?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">TTL, Time To Live anlam\u0131na gelir. <strong>Kal\u0131c\u0131l\u0131k S\u00fcresi<\/strong>. Bu, genellikle saniye cinsinden \u00f6l\u00e7\u00fclen ve \u00f6nbelle\u011fe alan\u0131n bir DNS kayd\u0131n\u0131 g\u00fcncellenmi\u015f yan\u0131t i\u00e7in kontrol etmeden \u00f6nce ne kadar s\u00fcreyle \u00f6nbellekte tutabilece\u011fini belirten bir de\u011ferdir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00d6rne\u011fin, bir TTL'nin <code>3600<\/code> bir saati ifade eder. Bir \u00e7\u00f6z\u00fcc\u00fc, bu TTL ile bir kay\u0131t al\u0131rsa, yenilemesi gerekti\u011finden \u00f6nce cevab\u0131 genellikle bir saat boyunca kullanmaya devam edebilir. Bir TTL'nin <code>300<\/code> be\u015f dakika anlam\u0131na gelir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">De\u011fi\u015fimden sonra \u00f6nemli olan TTL genellikle \u00e7\u00f6z\u00fcc\u00fclerin zaten \u00f6nbelle\u011fe ald\u0131\u011f\u0131 eski kayd\u0131n TTL'sidir. Bir kayd\u0131 de\u011fi\u015ftirmeden hemen \u00f6nce TTL'yi d\u00fc\u015f\u00fcrmek, \u00f6nceki daha y\u00fcksek TTL'yi \u00f6nbelle\u011fe alan \u00e7\u00f6z\u00fcc\u00fcler i\u00e7in bekleme s\u00fcresini k\u0131saltmayabilir. Bu \u00e7\u00f6z\u00fcc\u00fcler, orijinal \u00f6nbellek s\u00fcresi dolana kadar eski yan\u0131t\u0131 kullanmaya devam edebilir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Planl\u0131 ge\u00e7i\u015fler i\u00e7in y\u00f6neticiler genellikle \u00f6nceden TTL de\u011ferini d\u00fc\u015f\u00fcr\u00fcr, \u00f6nceki TTL'nin s\u00fcresinin dolmas\u0131 i\u00e7in yeterince bekler ve ard\u0131ndan DNS de\u011fi\u015fikli\u011fini yapar. De\u011fi\u015fiklik kararl\u0131 hale geldikten sonra, tekrarlanan sorgular\u0131 azaltmak amac\u0131yla TTL de\u011ferini yeniden art\u0131rabilirler. Uygun de\u011ferler hizmete ve operat\u00f6r\u00fcn de\u011fi\u015fiklik s\u00fcrecine ba\u011fl\u0131d\u0131r.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DNS de\u011fi\u015fiklikleri neden farkl\u0131 s\u00fcrelerde ger\u00e7ekle\u015fir?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">En yayg\u0131n neden, \u00e7\u00f6z\u00fcc\u00fclerin farkl\u0131 \u00f6nbelle\u011fe al\u0131nm\u0131\u015f kopyalara sahip olmas\u0131d\u0131r. Baz\u0131lar\u0131 kayd\u0131 zaten yenilemi\u015f olabilirken, di\u011ferleri hala s\u00fcresi dolmam\u0131\u015f bir yan\u0131t kullanmaktad\u0131r. Bir \u00e7\u00f6z\u00fcc\u00fc ayr\u0131ca kendi yenileme davran\u0131\u015f\u0131n\u0131 uygulayabilir veya bir kayd\u0131n mevcut olmad\u0131\u011f\u0131n\u0131 belirten yan\u0131tlar olan olumsuz yan\u0131tlar\u0131 \u00f6nbelle\u011fe alabilir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Yerel \u00f6nbellekleme ba\u015fka bir katman ekleyebilir. Bir bilgisayar, y\u00f6nlendirici, taray\u0131c\u0131 veya g\u00fcvenlik uygulamas\u0131 DNS bilgilerini ge\u00e7ici olarak tutabilir. Baz\u0131 durumlarda bir taray\u0131c\u0131y\u0131 yeniden ba\u015flatmak veya i\u015fletim sisteminin DNS \u00f6nbelle\u011fini temizlemek yard\u0131mc\u0131 olabilir, ancak bu durum yinelemeli bir \u00e7\u00f6z\u00fcc\u00fcn\u00fcn hala \u00f6nbellekte tuttu\u011fu bilgileri de\u011fi\u015ftirmez.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DNS sa\u011flay\u0131c\u0131 de\u011fi\u015fiklikleri ek zamanlama fakt\u00f6rlerini i\u00e7erebilir. Alan ad\u0131n\u0131z\u0131n yetkili isim sunucular\u0131n\u0131 kay\u0131t \u015firketi \u00fczerinden de\u011fi\u015ftirirseniz, \u00e7\u00f6z\u00fcmleyiciler hem y\u00f6nlendirme bilgilerini yenilemek zorunda kalabilir hem de bu isim sunucular\u0131 taraf\u0131ndan sunulan kay\u0131tlar\u0131 g\u00fcncellemelidir. Bu durum, ayn\u0131 DNS bar\u0131nd\u0131rma hizmeti i\u00e7inde bir A veya AAAA kayd\u0131n\u0131 d\u00fczenlemekten farkl\u0131d\u0131r.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Son olarak, bir g\u00fcncelleme yetkili kaynakta do\u011fru olmayabilir. Yanl\u0131\u015f kay\u0131t d\u00fczenlenmi\u015fse, de\u011fi\u015fiklik kaydedilmemi\u015fse, alan ad\u0131 farkl\u0131 yetkili ad sunucular\u0131 kullan\u0131yorsa veya kay\u0131t s\u00f6zdizimi hatas\u0131 i\u00e7eriyorsa, beklemek alt yap\u0131daki yap\u0131land\u0131rma sorununu \u00e7\u00f6zmez.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DNS Yay\u0131nlanmas\u0131 vs Yetkili DNS G\u00fcncellemeleri<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Yetkili bir DNS sunucusu, bir alan ad\u0131 veya b\u00f6lge i\u00e7in resmi kay\u0131tlar\u0131 sa\u011flar. DNS sa\u011flay\u0131c\u0131n\u0131z\u0131n kontrol panelinde bir kayd\u0131 d\u00fczenledi\u011finizde, sa\u011flay\u0131c\u0131 sundu\u011fu yetkili verileri g\u00fcncellemelidir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bir \u00f6zyinelemeli \u00e7\u00f6z\u00fcc\u00fc, istemci cihazlara DNS yan\u0131tlar\u0131 sunar. De\u011fi\u015fimden \u00f6nceki verilere sahip olabilir. Bu nedenle, yetkili sunucu yeni adresi d\u00f6nd\u00fcr\u00fcrken bir \u00f6zyinelemeli \u00e7\u00f6z\u00fcc\u00fc h\u00e2l\u00e2 eski bir adresi d\u00f6nd\u00fcrebilir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bu ayr\u0131m sorun giderme s\u0131ras\u0131nda yararl\u0131d\u0131r. \u0130lk olarak yetkili ad sunucular\u0131n\u0131n ne d\u00f6nd\u00fcrd\u00fc\u011f\u00fcn\u00fc kontrol edin. Beklenen kayd\u0131 zaten i\u00e7eriyorlarsa, de\u011fi\u015fiklik kaynaktan yay\u0131nlanm\u0131\u015f demektir ve geriye kalan farkl\u0131l\u0131klar b\u00fcy\u00fck olas\u0131l\u0131kla \u00f6nbelle\u011fe alma veya \u00e7\u00f6z\u00fcc\u00fc davran\u0131\u015f\u0131ndan kaynaklanmaktad\u0131r. Yetkili sunucular h\u00e2l\u00e2 eski de\u011feri veya hi\u00e7bir de\u011fer d\u00f6nd\u00fcr\u00fcyorsa, DNS sa\u011flay\u0131c\u0131s\u0131n\u0131n yap\u0131land\u0131rmas\u0131n\u0131 ve kay\u0131tlar\u0131 kendilerini inceleyin.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ad sunucular\u0131n\u0131 de\u011fi\u015ftirmek ek bir katman ekler. \u00dcst DNS b\u00f6lgesi, ama\u00e7lanan yetkili ad sunucular\u0131na i\u015faret etmeli ve bu sunucular do\u011fru b\u00f6lgeyi hizmet vermeliyken, bir DNS sa\u011flay\u0131c\u0131s\u0131ndaki do\u011fru kay\u0131t, alan ad\u0131 farkl\u0131 bir sa\u011flay\u0131c\u0131n\u0131n ad sunucular\u0131na devredilmi\u015fse i\u015fe yaramaz.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Yayg\u0131n DNS De\u011fi\u015fiklikleri ve Etkileri<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">De\u011fi\u015ftirme <strong>Bir kay\u0131t<\/strong> changes the IPv4 address returned for a hostname. Changing an <strong>AAAA kayd\u0131<\/strong> IPv6 adresini de\u011fi\u015ftirir. Her ikisi de mevcut oldu\u011funda, istemciler a\u011f ve ba\u011flant\u0131 davran\u0131\u015flar\u0131na ba\u011fl\u0131 olarak her iki adres ailesinden birini kullanabilirler.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">De\u011fi\u015ftirme <strong>CNAME kayd\u0131<\/strong> bir takma ad\u0131n i\u015faret etti\u011fi ana bilgisayar ad\u0131n\u0131 de\u011fi\u015ftirir. \u00c7\u00f6z\u00fcc\u00fcler, hedef ad\u0131 ve adresini aramak zorunda kalabilir. Hedefin kay\u0131tlar\u0131nda yap\u0131lan bir de\u011fi\u015fiklik, CNAME kendisi de\u011fi\u015fmese bile nihai sonucu etkileyebilir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">De\u011fi\u015ftirme <strong>MX kayd\u0131<\/strong> bir alan ad\u0131 i\u00e7in e-posta alan sunucular\u0131n\u0131 etkiler. E-posta sistemleri bu kay\u0131tlar\u0131 \u00f6nbelle\u011fe alabilir ve e-posta y\u00f6nlendirmesinin g\u00fcncellemeleri yans\u0131tmas\u0131 zaman alabilir. E-posta sa\u011flay\u0131c\u0131lar\u0131n\u0131 de\u011fi\u015ftirirken y\u00f6neticilerin MX kay\u0131tlar\u0131n\u0131 ve SPF, DKIM veya DMARC gibi ilgili e-posta kimlik do\u011frulama kay\u0131tlar\u0131n\u0131 ayr\u0131 ayr\u0131 do\u011frulamalar\u0131 gerekir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">De\u011fi\u015ftirme <strong>isim sunucular\u0131<\/strong> alan ad\u0131 i\u00e7in yetkili olan DNS sa\u011flay\u0131c\u0131s\u0131n\u0131 de\u011fi\u015ftirir. Bu i\u015flem, kay\u0131t \u015firketi d\u00fczeyinde do\u011fru delege etmeyi ve yeni sa\u011flay\u0131c\u0131da do\u011fru alan yap\u0131land\u0131rmas\u0131n\u0131 gerektirir. Bir ad sunucusu ge\u00e7i\u015fi dikkatli bir \u015fekilde planlanmal\u0131d\u0131r \u00e7\u00fcnk\u00fc yeni sa\u011flay\u0131c\u0131daki eksik kay\u0131tlar web siteleri, e-posta veya di\u011fer hizmetlerin eri\u015filemez olmas\u0131na neden olabilir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DNS de\u011fi\u015fikli\u011finin g\u00f6r\u00fcn\u00fcp g\u00f6r\u00fcnmedi\u011fini nas\u0131l kontrol edersiniz<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Kulland\u0131\u011f\u0131n\u0131z bilgisayardan alan ad\u0131n\u0131 sorgulamakla ba\u015flay\u0131n. Windows, macOS ve Linux'ta <code>nslookup<\/code> genellikle mevcuttur:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>nslookup example.com<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Bir IPv4 adresi kayd\u0131n\u0131 kontrol etmek i\u00e7in \u015funu kullan\u0131n:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>nslookup -type=A example.com<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">IPv6 i\u00e7in:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>nslookup -type=AAAA example.com<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">E-posta sunucusu kay\u0131tlar\u0131 i\u00e7in:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>nslookup -type=MX example.com<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">macOS ve Linux'ta, <code>kaz<\/code> daha ayr\u0131nt\u0131l\u0131 \u00e7\u0131kt\u0131 sa\u011flar:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>dig example.com A<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Yaln\u0131zca cevap b\u00f6l\u00fcm\u00fcn\u00fc g\u00f6ster:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>dig example.com A +noall +answer<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Belirli bir \u00f6zyinelemeli \u00e7\u00f6z\u00fcc\u00fcye sorgu g\u00f6ndererek yan\u0131tlar\u0131 kar\u015f\u0131la\u015ft\u0131rabilirsiniz. \u00d6rne\u011fin:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>dig @1.1.1.1 example.com A<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Windows'ta bir DNS sunucusunu \u015fu \u015fekilde belirtebilirsiniz:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>nslookup example.com 1.1.1.1<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">De\u011fi\u015ftir <code>example.com<\/code> alan ad\u0131n\u0131zla birlikte. Bu \u00f6rneklerdeki \u00e7\u00f6z\u00fcc\u00fc adresi yaln\u0131zca olas\u0131 bir genel \u00e7\u00f6z\u00fcc\u00fcd\u00fcr; kurulu\u015funuzun veya sa\u011flay\u0131c\u0131n\u0131z\u0131n kulland\u0131\u011f\u0131 DNS hizmetini de sorgulayabilirsiniz.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sorgulad\u0131\u011f\u0131n\u0131z \u00e7\u00f6z\u00fcc\u00fc, yan\u0131t ve zaman\u0131 kaydedin. Birden fazla \u00e7\u00f6z\u00fcc\u00fcn\u00fcn sonu\u00e7lar\u0131n\u0131 kar\u015f\u0131la\u015ft\u0131rmak, fark\u0131n yaln\u0131zca bir \u00e7\u00f6z\u00fcc\u00fcye \u00f6zg\u00fc m\u00fc yoksa daha yayg\u0131n m\u0131 oldu\u011funu belirlemeye yard\u0131mc\u0131 olur.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Yetkili Ad Sunucusunu Nas\u0131l Sorgular\u0131m<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Bir alan ad\u0131 i\u00e7in yetkili ad sunucular\u0131n\u0131 bulmak i\u00e7in \u015funu kullan\u0131n:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>dig example.com NS<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Ard\u0131ndan, de\u011fi\u015ftirdi\u011finiz kay\u0131t i\u00e7in bu ad sunucular\u0131ndan birine do\u011frudan sorgu yap\u0131n:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>dig @ns1.example-dns.com example.com A<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">De\u011fi\u015ftir <code>ns1.example-dns.com<\/code> alan\u0131n\u0131z i\u00e7in listelenmi\u015f yetkili bir sunucu ile. Do\u011frudan sorgu beklenen adresi d\u00f6nd\u00fcr\u00fcyorsa ancak \u00f6zyinelemeli bir \u00e7\u00f6z\u00fcleyici eski adresi d\u00f6nd\u00fcr\u00fcyorsa, yetkili veriler g\u00fcncellenmi\u015ftir ve \u00e7\u00f6z\u00fcleyici hala \u00f6nbelle\u011fe al\u0131nm\u0131\u015f bir yan\u0131t kullan\u0131yor olabilir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ayr\u0131ca sorabilirsiniz <code>kaz<\/code> delegasyon s\u00fcrecini izlemek i\u00e7in:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>dig +trace example.com<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Bu i\u015flem, k\u00f6k sunuculardan alan ad\u0131n\u0131n yetkili sunucular\u0131na do\u011fru DNS hiyerar\u015fisini izler. Delegasyon sorunlar\u0131n\u0131 belirlemeye yard\u0131mc\u0131 olabilir; ancak \u00e7\u0131kt\u0131s\u0131, \u00e7o\u011fu temel kontrol\u00fcn gerektirdi\u011finden daha detayl\u0131d\u0131r.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bir DNS sa\u011flay\u0131c\u0131s\u0131n\u0131n kontrol panelini kullan\u0131yorsan\u0131z, alan ad\u0131n\u0131n ger\u00e7ekten orada g\u00f6sterilen isim sunucular\u0131na y\u00f6nlendirildi\u011fini do\u011frulay\u0131n. Bir kay\u0131t, bir sa\u011flay\u0131c\u0131n\u0131n y\u00f6netim panelinde do\u011fru olabilir ancak genel alan ad\u0131 ba\u015fka bir sa\u011flay\u0131c\u0131ya i\u015faret edebilir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Peki ya baz\u0131 kullan\u0131c\u0131lar eski web sitesini g\u00f6r\u00fcrse?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u00d6ncelikle, yetkili A veya AAAA kayd\u0131n\u0131n beklenen de\u011fere sahip oldu\u011funu do\u011frulay\u0131n. Ard\u0131ndan birka\u00e7 \u00f6zyinelemeli \u00e7\u00f6z\u00fcmleyiciye sorgu g\u00f6nderin ve ayn\u0131 yan\u0131t\u0131 d\u00f6nd\u00fcr\u00fcp d\u00f6nd\u00fcrmediklerini kontrol edin. Yetkili veri do\u011fru ancak baz\u0131 \u00e7\u00f6z\u00fcmleyiciler eski bir adres d\u00f6nd\u00fcr\u00fcyorsa, \u00f6nbelle\u011fe alma muhtemel bir a\u00e7\u0131klamad\u0131r.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ard\u0131ndan, kullan\u0131c\u0131n\u0131n yerel yap\u0131land\u0131rmas\u0131n\u0131 kontrol edin. Bir VPN, \u015firket DNS \u00e7\u00f6z\u00fcc\u00fcs\u00fc, g\u00fcvenlik \u00fcr\u00fcn\u00fc, taray\u0131c\u0131 \u00f6nbelle\u011fi veya yerel hosts dosyas\u0131, d\u00f6nd\u00fcr\u00fclen adresi etkileyebilir. Davran\u0131\u015f\u0131n de\u011fi\u015fip de\u011fi\u015fmedi\u011fini g\u00f6rmek i\u00e7in ba\u015fka bir a\u011fdan (\u00f6rne\u011fin mobil ba\u011flant\u0131) gelen sonucu kar\u015f\u0131la\u015ft\u0131r\u0131n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Eski ve yeni sunucular\u0131n her ikisinin de yan\u0131t verip vermedi\u011fini de g\u00f6z \u00f6n\u00fcnde bulundurun. Eski ana bilgisayar hala \u00f6nbelle\u011fe al\u0131nm\u0131\u015f bir kopya sunuyorsa veya farkl\u0131 \u015fekilde y\u00f6nlendirme yap\u0131yorsa, bir ge\u00e7i\u015f tutars\u0131z g\u00f6r\u00fcnebilir. DNS kayd\u0131 do\u011fru olabilirken, \u00e7\u00f6z\u00fcc\u00fcs\u00fc yenilememi\u015f kullan\u0131c\u0131lara eski sunucunun eri\u015filebilir olmas\u0131 devam edebilir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sorun yaln\u0131zca IPv4'\u00fc veya yaln\u0131zca IPv6'y\u0131 etkiliyorsa, A ve AAAA kay\u0131tlar\u0131n\u0131 ayr\u0131 ayr\u0131 kar\u015f\u0131la\u015ft\u0131r\u0131n. Bir cihaz IPv6 \u00fczerinden ba\u011flan\u0131rken ba\u015fka bir cihaz IPv4 kullanabilir. Bir adres ailesi yeni sunucuya i\u015faret ederken di\u011feri hala eski sunucuya i\u015faret ediyor olabilir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Bir web sitesi DNS de\u011fi\u015fikli\u011finden sonra eri\u015filemez hale gelirse ne olur?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Alan ad\u0131n\u0131n yetkili isim sunucular\u0131n\u0131n do\u011fru ve eri\u015filebilir oldu\u011funu kontrol edin. Ard\u0131ndan, bu sunucularda ilgili kay\u0131tlar\u0131n mevcut oldu\u011funu do\u011frulay\u0131n. \u0130sim sunucular\u0131n\u0131 yak\u0131n zamanda de\u011fi\u015ftirdiyseniz, yeni DNS sa\u011flay\u0131c\u0131s\u0131n\u0131n web sitesi, e-posta, do\u011frulama ve hizmet kay\u0131tlar\u0131 da dahil olmak \u00fczere t\u00fcm gerekli kay\u0131tlara sahip oldu\u011fundan emin olun.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hedef sunucunun alan ad\u0131 i\u00e7in ba\u011flant\u0131lar\u0131 kabul etmeye haz\u0131r oldu\u011funu do\u011frulay\u0131n. DNS g\u00fcncellemesi yaln\u0131zca istemcilerin nereye y\u00f6nlendirildi\u011fini de\u011fi\u015ftirir. Web sunucusunu yap\u0131land\u0131rmaz, sertifika y\u00fcklemez, g\u00fcvenlik duvar\u0131 portu a\u00e7maz veya web sitesi dosyalar\u0131n\u0131 kopyalamaz.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DNS beklenen IP adresini d\u00f6nd\u00fcrse bile web sitesi hala ba\u015far\u0131s\u0131z oluyorsa, sunucuyu ve uygulamay\u0131 ayr\u0131 ayr\u0131 test edin. Sorun web sunucusunda, g\u00fcvenlik duvar\u0131nda, TLS sertifikas\u0131nda, bar\u0131nd\u0131rma yap\u0131land\u0131rmas\u0131nda veya uygulamada olabilir. Bir DNS sorgusu ad \u00e7\u00f6z\u00fcmlemesini do\u011frular; ancak hizmetin sa\u011fl\u0131kl\u0131 oldu\u011funu do\u011frulamaz.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cihaz\u0131n\u0131z ile bir hedef aras\u0131nda genel bir yol kontrol\u00fc i\u00e7in k\u0131lavuzumuza bak\u0131n. <a href=\"https:\/\/junglelabs.uk\/tr\/what-is-traceroute\/\">a\u011f ba\u011flant\u0131 sorunlar\u0131n\u0131 te\u015fhis etmek i\u00e7in traceroute kullanma<\/a>Traceroute ve DNS sorgulamalar\u0131 ba\u011flant\u0131n\u0131n farkl\u0131 k\u0131s\u0131mlar\u0131n\u0131 test eder, bu nedenle bir sorunu daralt\u0131rken birlikte kullan\u0131\u015fl\u0131d\u0131rlar.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Negatif \u00d6nbellekleme ve \u201cKay\u0131t Bulunamad\u0131\u201d Sonu\u00e7lar\u0131<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c7\u00f6z\u00fcc\u00fcler, bir kayd\u0131n mevcut olmad\u0131\u011f\u0131n\u0131 \u00f6nbelle\u011fe alabilir. Bu, negatif \u00f6nbellekleme olarak adland\u0131r\u0131l\u0131r. Bir \u00e7\u00f6z\u00fcc\u00fc, kay\u0131t olu\u015fturulmadan \u00f6nce bir isim sorgulad\u0131ysa, kay\u0131t eklendikten sonra bile ge\u00e7ici olarak \"bulunamad\u0131\" yan\u0131t\u0131n\u0131 d\u00f6nd\u00fcrmeye devam edebilir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Negatif \u00f6nbellekleme de, b\u00f6lge SOA kayd\u0131ndaki bilgilere ve \u00e7\u00f6z\u00fcc\u00fc kurallar\u0131na dayal\u0131 olarak bir TTL'ye sahiptir. Kesin davran\u0131\u015f de\u011fi\u015febilir. Yeni olu\u015fturulan bir alt etki alan\u0131 hemen \u00e7\u00f6z\u00fclmezse, \u00f6nce yetkili ad sunucusunu kontrol edin. E\u011fer yeni kayd\u0131 d\u00f6nd\u00fcr\u00fcrse, negatif \u00f6nbelleklerin s\u00fcresinin dolmas\u0131n\u0131 bekleyin ve di\u011fer \u00e7\u00f6z\u00fcc\u00fclerle kar\u015f\u0131la\u015ft\u0131r\u0131n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bir \u201ckay\u0131t bulunamad\u0131\u201d yan\u0131t\u0131, kayd\u0131n yanl\u0131\u015f alana eklenmi\u015f olabilece\u011fini, ana bilgisayar ad\u0131n\u0131n hatal\u0131 girildi\u011fini veya alan ad\u0131n\u0131n farkl\u0131 yetkili isim sunucular\u0131 kulland\u0131\u011f\u0131n\u0131 da g\u00f6sterebilir. Sorunun yaln\u0131zca yay\u0131lma gecikmesinden kaynakland\u0131\u011f\u0131n\u0131 varsaymadan \u00f6nce tam ana bilgisayar ad\u0131n\u0131, kay\u0131t t\u00fcr\u00fcn\u00fc ve DNS sa\u011flay\u0131c\u0131s\u0131n\u0131 do\u011frulay\u0131n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DNS Ge\u00e7i\u015fini Nas\u0131l Planlayabilirsiniz<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Bir \u00fcretim servisi i\u00e7in kay\u0131tlar\u0131 de\u011fi\u015ftirmeden \u00f6nce, o servise ba\u011fl\u0131 olan t\u00fcm ana bilgisayar adlar\u0131n\u0131 listeleyin ve kaydedin. Bir web sitesi A ve AAAA kay\u0131tlar\u0131n\u0131 kullan\u0131rken, e-posta MX, SPF, DKIM ve DMARC kay\u0131tlar\u0131na ba\u011fl\u0131d\u0131r. Uygulamalar do\u011frulama veya servis ke\u015ffi kay\u0131tlar\u0131na da g\u00fcvenebilir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">De\u011fi\u015fiklik planlanm\u0131\u015fsa, ilgili TTL'yi \u00f6nceden d\u00fc\u015f\u00fcr\u00fcn ve hedefi de\u011fi\u015ftirmeden \u00f6nce en az\u0131ndan eski TTL s\u00fcresini bekleyin. DNS'i g\u00fcncellemeden \u00f6nce yeni sunucuyu veya sa\u011flay\u0131c\u0131y\u0131 haz\u0131rlay\u0131n. M\u00fcmk\u00fcn oldu\u011funda do\u011frudan test edin ve sertifikalar\u0131n, g\u00fcvenlik duvar\u0131 kurallar\u0131n\u0131n, uygulama ayarlar\u0131n\u0131n ve posta hizmetlerinin haz\u0131r oldu\u011funu do\u011frulay\u0131n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">De\u011fi\u015fiklikten sonra yetkili yan\u0131tlar\u0131 ve birka\u00e7 \u00f6zyinelemeli \u00e7\u00f6z\u00fcc\u00fcy\u00fc kontrol edin. Web sitesi eri\u015filebilirli\u011fini, e-posta teslimat\u0131n\u0131 ve uygulama hatalar\u0131n\u0131 izleyin. \u00d6nbellekteki yan\u0131tlar s\u00fcresi dolana kadar baz\u0131 kullan\u0131c\u0131lar\u0131n hala eski hizmete ula\u015fmaya devam edebilece\u011fi i\u00e7in, m\u00fcmk\u00fcn oldu\u011funca ge\u00e7i\u015f s\u0131ras\u0131nda eski hizmeti kullan\u0131mda tutun.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Yeni yap\u0131land\u0131rma kararl\u0131 hale geldikten sonra uygun bir TTL de\u011feri geri y\u00fckleyin. \u00c7ok d\u00fc\u015f\u00fck bir TTL de\u011ferinin s\u00fcresiz olarak korunmas\u0131, nadiren de\u011fi\u015fen bir hizmet i\u00e7in \u00e7ok fazla fayda sa\u011flamadan DNS sorgu hacmini art\u0131rabilir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Yayg\u0131n DNS Yay\u0131lma Yan\u0131lg\u0131lar\u0131<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Bir yayg\u0131n yanl\u0131\u015f anlama, her DNS de\u011fi\u015fikli\u011finin tam olarak 24 veya 48 saat s\u00fcrd\u00fc\u011f\u00fc y\u00f6n\u00fcndedir. Sabit ve evrensel bir s\u00fcre yoktur. Etkili gecikme; \u00f6nceki TTL de\u011ferlerine, \u00e7\u00f6z\u00fcc\u00fc \u00f6nbelle\u011fine, yetkilendirme de\u011fi\u015fikliklerine ve yetkili yap\u0131land\u0131rman\u0131n do\u011frulu\u011funa ba\u011fl\u0131d\u0131r.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ba\u015fka bir yanl\u0131\u015f anlama, taray\u0131c\u0131 \u00f6nbelle\u011fini temizlemenin DNS'i her yerde g\u00fcncellemesi y\u00f6n\u00fcndedir. Bu i\u015flem yaln\u0131zca o cihazda depolanan bilgileri temizleyebilir ancak uzaktaki yinelenici \u00e7\u00f6z\u00fcc\u00fcn\u00fcn \u00f6nbelle\u011fini temizleyemez. Benzer \u015fekilde, bir y\u00f6nlendiriciyi yeniden ba\u015flatmak yerel \u00f6nbelle\u011fini temizleyebilir ancak yetkili kay\u0131tlar\u0131 de\u011fi\u015ftirmez.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00dc\u00e7\u00fcnc\u00fc bir yanl\u0131\u015f anlama, farkl\u0131 yan\u0131tlar g\u00f6steren bir DNS denetleyicisinin alan ad\u0131n\u0131n bozuk oldu\u011funu kan\u0131tlamas\u0131d\u0131r. Farkl\u0131 yan\u0131tlar, \u00f6zellikle \u00e7\u00f6z\u00fcc\u00fcler farkl\u0131 zamanlarda \u00f6nbellek verisine sahipken planl\u0131 bir ge\u00e7i\u015f s\u0131ras\u0131nda ortaya \u00e7\u0131kabilir. \u00d6nemli olan soru, yetkili kay\u0131tlar\u0131n do\u011fru olup olmad\u0131\u011f\u0131 ve geriye kalan farkl\u0131l\u0131klar\u0131n \u00f6nceki TTL ile tutarl\u0131 olup olmad\u0131\u011f\u0131d\u0131r.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Son olarak, DNS yay\u0131l\u0131m\u0131 hedef hizmeti yap\u0131land\u0131rmaz. Sunucu, g\u00fcvenlik duvar\u0131, TLS sertifikas\u0131 veya uygulama haz\u0131r de\u011filse, do\u011fru bir IP adresi bile kullan\u0131lamayan bir web sitesine yol a\u00e7abilir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DNS Yay\u0131lmas\u0131na \u0130li\u015fkin S\u0131k\u00e7a Sorulan Sorular<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">DNS yay\u0131l\u0131m\u0131 ne kadar s\u00fcrer?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Tek bir garanti s\u00fcresi yoktur. Baz\u0131 de\u011fi\u015fiklikler h\u0131zl\u0131ca belirirken, di\u011ferleri \u00f6nbelle\u011fe kaydedilen kay\u0131tlar\u0131n s\u00fcresi dolana kadar tutars\u0131z kalabilir. \u00d6nceki TTL de\u011feri, \u00e7\u00f6z\u00fcc\u00fc davran\u0131\u015f\u0131 ve isim sunucular\u0131n\u0131n de\u011fi\u015fip de\u011fi\u015fmedi\u011fi zamanlamay\u0131 etkiler.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">TTL'yi d\u00fc\u015f\u00fcrmek de\u011fi\u015fikli\u011fi an\u0131nda yapar m\u0131?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Hay\u0131r. Bir TTL'nin d\u00fc\u015f\u00fcr\u00fclmesi, \u00e7\u00f6z\u00fcc\u00fcler yeni TTL'yi ald\u0131ktan sonraki \u00f6nbelle\u011fe almay\u0131 etkiler. Eski kayd\u0131 zaten \u00f6nbelle\u011fe alan \u00e7\u00f6z\u00fcc\u00fcler, \u00f6nceki TTL s\u00fcresi dolana kadar onu kullanmaya devam edebilir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Neden DNS kontrol ara\u00e7lar\u0131 farkl\u0131 sonu\u00e7lar g\u00f6sterir?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Farkl\u0131 konumlardan farkl\u0131 \u00f6zyineleyici \u00e7\u00f6z\u00fcc\u00fclere sorgu yapabilirler. Bu \u00e7\u00f6z\u00fcc\u00fcler farkl\u0131 \u00f6nbelle\u011fe al\u0131nm\u0131\u015f yan\u0131tlara sahip olabilir, farkl\u0131 zamanlarda yenilenebilir veya co\u011frafi DNS politikalar\u0131 nedeniyle farkl\u0131 yan\u0131tlar alabilir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Bilgisayar\u0131n\u0131z\u0131n DNS \u00f6nbelle\u011fini temizlemelisiniz mi?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Kendi cihaz\u0131n\u0131z eski bir yan\u0131t\u0131 \u00f6nbelle\u011fe alm\u0131\u015f oldu\u011funda yard\u0131mc\u0131 olabilir. \u0130nternet sa\u011flay\u0131c\u0131n\u0131z\u0131n, \u015firket \u00e7\u00f6z\u00fcmleyicinizin veya genel DNS hizmetinin tuttu\u011fu \u00f6nbellekleri temizlemez.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Neden web sitem \u00e7\u00f6z\u00fcmleniyor ama yine de y\u00fcklenmiyor?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DNS do\u011fru adresi d\u00f6nd\u00fcr\u00fcyor olabilir ancak hedef sunucu veya uygulamada bir sorun vard\u0131r. Web sunucusunu, g\u00fcvenlik duvar\u0131n\u0131, TLS sertifikas\u0131n\u0131 ve bar\u0131nd\u0131rma yap\u0131land\u0131rmas\u0131n\u0131 ayr\u0131 ayr\u0131 kontrol edin.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Can nameserver de\u011fi\u015fiklikleri, kay\u0131t de\u011fi\u015fikliklerinden daha uzun s\u00fcrebilir mi?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Kaydedici ve \u00fcst DNS b\u00f6lgesinde ek yetkilendirme bilgileri i\u00e7erebilirler. Yeni sa\u011flay\u0131c\u0131 da eksiksiz ve do\u011fru bir b\u00f6lge sunmal\u0131d\u0131r. Yetkili sunuculardaki hem yetkilendirmeyi hem de kay\u0131tlar\u0131 do\u011frulay\u0131n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DNS de\u011fi\u015fiklikleri, yetkili ad sunucular\u0131 ile \u00f6zyinelemeli \u00e7\u00f6z\u00fcc\u00fclerin farkl\u0131 rolleri \u00fcstlenmesi ve \u00e7\u00f6z\u00fcc\u00fclerin yan\u0131tlar\u0131 TTL de\u011ferlerine g\u00f6re \u00f6nbelle\u011fe almas\u0131 nedeniyle farkl\u0131 zamanlarda g\u00f6r\u00fcnebilir. Bir kullan\u0131c\u0131 eski bir adresi g\u00f6r\u00fcrken, ba\u015fka bir kullan\u0131c\u0131 zaten yeni adresi al\u0131yor olabilir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sorunu ara\u015ft\u0131rmak i\u00e7in \u00f6nce yetkili ad sunucular\u0131n\u0131 kontrol edin, ard\u0131ndan \u00e7e\u015fitli \u00f6nbellek \u00e7\u00f6z\u00fcc\u00fclerden gelen yan\u0131tlar\u0131 kar\u015f\u0131la\u015ft\u0131r\u0131n. Kay\u0131t t\u00fcr\u00fcn\u00fc, ana bilgisayar ad\u0131n\u0131, TTL'yi ve ad sunucusu devrini do\u011frulay\u0131n. DNS beklenen adresi d\u00f6nd\u00fcr\u00fcyorsa ancak hizmet hala eri\u015filemez durumdaysa, hedef sunucuyu ve uygulamay\u0131 sorunun ayr\u0131 bile\u015fenleri olarak kontrol edin.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00d6nbelle\u011fe alman\u0131n anla\u015f\u0131lmas\u0131, DNS de\u011fi\u015fikliklerini planlamak ve sorunlar\u0131n\u0131 gidermek i\u00e7in daha kolay hale getirir. Daha fazla a\u011f temelleri i\u00e7in k\u0131lavuzlar\u0131m\u0131za devam edin <a href=\"https:\/\/junglelabs.uk\/tr\/what-is-an-ip-address-a-complete-beginners-guide\/\">IP adresleri<\/a>, <a href=\"https:\/\/junglelabs.uk\/tr\/what-is-a-default-gateway\/\">varsay\u0131lan a\u011f ge\u00e7itleri<\/a>, ve <a href=\"https:\/\/junglelabs.uk\/tr\/what-is-traceroute\/\">traceroute<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>You update a domain\u2019s DNS records, save the change, and expect the new website or mail service to work immediately. But a colleague still sees the old website, an online checker shows a different address, or email delivery behaves inconsistently. This delay is commonly called DNS propagation. The phrase can make it sound as though [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2344,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"What Is DNS Propagation? 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