{"id":5312,"date":"2025-02-19T08:27:47","date_gmt":"2025-02-19T05:27:47","guid":{"rendered":"https:\/\/uzmanposta.com\/blog\/?p=5312"},"modified":"2025-02-19T08:27:48","modified_gmt":"2025-02-19T05:27:48","slug":"no-dmarc-record-found-hatasi-nedir-nasil-cozulur","status":"publish","type":"post","link":"https:\/\/uzmanposta.com\/blog\/no-dmarc-record-found-hatasi-nedir-nasil-cozulur\/","title":{"rendered":"&#8220;No DMARC Record Found&#8221; Hatas\u0131 Nedir, Nas\u0131l \u00c7\u00f6z\u00fcl\u00fcr?"},"content":{"rendered":"\n<p>&#8220;DMARC record is not found (DMARC kayd\u0131 bulunamad\u0131)&#8221; hatas\u0131 ile kar\u015f\u0131la\u015f\u0131rsan\u0131z, alan ad\u0131n\u0131zda, e-postan\u0131z\u0131 <a href=\"https:\/\/uzmanposta.com\/blog\/kimlik-avi-nedir-nasil-onlenir\/\">kimlik av\u0131<\/a> ve sahtecilik sald\u0131r\u0131lar\u0131na kar\u015f\u0131 korumak i\u00e7in tasarlanm\u0131\u015f \u00f6nemli bir DNS TXT kayd\u0131 bulunmuyor demektir.<\/p>\n\n\n\n<p>Peki bu tam olarak ne anlama gelir?<\/p>\n\n\n\n<p>Eksik bir DMARC politikas\u0131, alan ad\u0131n\u0131z\u0131 yetkisiz kullan\u0131ma maruz b\u0131rakarak bilgisayar korsanlar\u0131n\u0131n sizin ad\u0131n\u0131za sahte e-postalar g\u00f6ndermesine olanak tan\u0131r. Bu durum kimlik av\u0131 doland\u0131r\u0131c\u0131l\u0131\u011f\u0131na ve sahtekarl\u0131k giri\u015fimlerine neden olarak markan\u0131z\u0131n itibar\u0131na \u00f6nemli \u00f6l\u00e7\u00fcde zarar verebilir.<\/p>\n\n\n\n<p>Ayr\u0131ca, e-posta sa\u011flay\u0131c\u0131lar\u0131 DMARC kurulumu olmayan alan adlar\u0131ndan gelen e-postalar\u0131 genellikle i\u015faretler veya reddeder, bu da e-posta teslim edilebilirli\u011finizde d\u00fc\u015f\u00fc\u015fe neden olur.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DMARC Kayd\u0131 Nedir ve Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/h2>\n\n\n\n<p>DMARC kayd\u0131, e-posta alan ad\u0131n\u0131z\u0131 bilgisayar korsanlar\u0131 taraf\u0131ndan istismar edilmekten korumak i\u00e7in <a href=\"https:\/\/uzmanposta.com\/spf-kaydi-sorgulama\/\">SPF (Sender Policy Framework)<\/a> ve <a href=\"https:\/\/uzmanposta.com\/spf-dkim-sorgulama\/\">DKIM (DomainKeys Identified Mail)<\/a> gibi e-posta kimlik do\u011frulama protokolleri ile birlikte \u00e7al\u0131\u015fan bir <a href=\"https:\/\/uzmanposta.com\/blog\/dns-nedir-dns-ayarlari-degistirme\/\">DNS (Domain Name System)<\/a> kayd\u0131d\u0131r.<\/p>\n\n\n\n<p><a href=\"https:\/\/uzmanposta.com\/dmarc-sorgulama\/\">DMARC<\/a> ile e-posta sunucular\u0131na SPF ve DKIM kimlik do\u011frulama kontrollerinde ba\u015far\u0131s\u0131z olan iletilerin nas\u0131l ele al\u0131naca\u011f\u0131 konusunda talimat veren politikalar tan\u0131mlars\u0131n\u0131z. Bu i\u015flem, yaln\u0131zca alan ad\u0131ndan gelen yetkili e-postalar\u0131n al\u0131c\u0131lara teslim edilmesini sa\u011flar.<\/p>\n\n\n\n<p>Alan ad\u0131n\u0131zdan bir e-posta g\u00f6nderildi\u011finde, al\u0131c\u0131n\u0131n sunucusu SPF ve DKIM kay\u0131tlar\u0131n\u0131z\u0131 kontrol ederek e-postan\u0131n ger\u00e7ekli\u011fini do\u011frular. SPF, e-postan\u0131n yetkili bir sunucudan geldi\u011fini do\u011frularken DKIM, iletinin b\u00fct\u00fcnl\u00fc\u011f\u00fcn\u00fc dijital bir imza ile do\u011frular.<\/p>\n\n\n\n<p>Her iki denetim de ba\u015far\u0131s\u0131z olursa, DMARC kural\u0131 uygulan\u0131r. Bu kural\u0131 \u00fc\u00e7 eylemden birini ger\u00e7ekle\u015ftirecek \u015fekilde yap\u0131land\u0131rabilirsiniz:<\/p>\n\n\n\n<ul class=\"wp-block-list\" style=\"font-size:14px\"><li><strong>None<\/strong>: E-posta her zamanki gibi teslim edilir, ancak kimlik do\u011frulama hatalar\u0131 rapor edilir.<\/li><li><strong>Karantina<\/strong>: Kimlik do\u011frulamas\u0131 ba\u015far\u0131s\u0131z olan e-postalar al\u0131c\u0131n\u0131n spam klas\u00f6r\u00fcne g\u00f6nderilir.<\/li><li><strong>Reject<\/strong>: Yetkisiz e-postalar\u0131n al\u0131c\u0131ya ula\u015fmas\u0131 tamamen engellenir.<\/li><\/ul>\n\n\n\n<p>DMARC ayr\u0131ca de\u011ferli raporlama \u00f6zellikleri de sunar. Raporlar i\u00e7in bir e-posta adresi belirleyerek (DMARC kayd\u0131n\u0131zdaki &#8220;rua&#8221; etiketini kullanarak), hangi iletilerin kimlik do\u011frulama kontrollerini ge\u00e7ti\u011fini veya ge\u00e7emedi\u011fini takip edebilirsiniz. Bu raporlar, alan ad\u0131n\u0131z\u0131 hedef alan olas\u0131 kimlik av\u0131 veya sahtecilik giri\u015fimleri hakk\u0131nda bilgi sa\u011flar.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Neden DMARC Politikas\u0131 Yap\u0131land\u0131rmal\u0131s\u0131n\u0131z?<\/h2>\n\n\n\n<p>E-posta alan ad\u0131n\u0131z\u0131n kimlik av\u0131 ve sahtecilik gibi siber su\u00e7 faaliyetlerine kar\u015f\u0131 savunmas\u0131z kalmamas\u0131 i\u00e7in bir DMARC ile yap\u0131land\u0131rmak, yetkisiz kullan\u0131m\u0131 \u00f6nleyerek alan ad\u0131n\u0131z\u0131 korumaya yard\u0131mc\u0131 olur.<\/p>\n\n\n\n<p><a href=\"https:\/\/uzmanposta.com\/webinar\/mail-gonderiminde-kimlik-sahteciligini-onleme-yontemleri\/\">E-posta sahtecili\u011fi<\/a>, bilgisayar korsanlar\u0131 al\u0131c\u0131lar\u0131 yasal olduklar\u0131na inand\u0131rmak i\u00e7in alan ad\u0131n\u0131z\u0131 kullanarak e-posta g\u00f6nderdi\u011finde ortaya \u00e7\u0131kar. Bu genellikle hassas bilgilerin \u00e7al\u0131nd\u0131\u011f\u0131 kimlik av\u0131 sald\u0131r\u0131lar\u0131na yol a\u00e7ar. SPF ve DKIM&#8217;i kurmu\u015f olsan\u0131z bile DMARC bunlar\u0131 birbirine ba\u011flayan ve kimlik do\u011frulamas\u0131 ba\u015far\u0131s\u0131z olan e-postalar\u0131n i\u015flenmesine y\u00f6nelik kurallar\u0131 uygulayan bir protokold\u00fcr.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DMARC&#8217;\u0131n Temel Faydalar\u0131<\/h2>\n\n\n\n<ul class=\"wp-block-list\" style=\"font-size:14px\"><li><strong>Marka \u0130tibar\u0131n\u0131 Korur: <\/strong>Sahte e-postalar markan\u0131z\u0131n itibar\u0131na zarar verir. M\u00fc\u015fteriler sizin alan ad\u0131n\u0131zdan geliyormu\u015f gibi g\u00f6r\u00fcnen kimlik av\u0131 e-postalar\u0131 ald\u0131klar\u0131nda, bu durum onlar\u0131n i\u015fletmenize olan g\u00fcvenini sarsar.<\/li><li><strong>E-posta Teslim Edilebilirli\u011fini Art\u0131r\u0131r: <\/strong>Bir\u00e7ok e-posta hizmeti sa\u011flay\u0131c\u0131s\u0131n\u0131n, bir alan ad\u0131n\u0131n DMARC politikas\u0131 olmad\u0131\u011f\u0131nda e-postalar\u0131 reddetme veya spam olarak i\u015faretleme olas\u0131l\u0131\u011f\u0131 daha y\u00fcksektir. DMARC ile me\u015fru e-postalar\u0131n\u0131z\u0131n gelen kutular\u0131na d\u00fc\u015fme olas\u0131l\u0131\u011f\u0131 daha y\u00fcksektir.<\/li><li><strong>Kimlik Av\u0131 Sald\u0131r\u0131lar\u0131n\u0131 \u00d6nler: <\/strong>DMARC, siber su\u00e7lular\u0131n alan ad\u0131n\u0131zdan geliyormu\u015f gibi g\u00f6r\u00fcnen sahte e-postalar g\u00f6nderme riskini azalt\u0131r.<\/li><\/ul>\n\n\n\n<p>DMARC, yaln\u0131zca alan ad\u0131n\u0131zdan gelen yasal e-postalar\u0131n al\u0131c\u0131lara teslim edilmesini sa\u011flayarak g\u00fc\u00e7l\u00fc bir e-posta korumas\u0131 sunar.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">&#8220;No DMARC Record Found&#8221; Hatas\u0131n\u0131 D\u00fczeltmek i\u00e7in Gerekenler<\/h2>\n\n\n\n<p>&#8220;DMARC Kayd\u0131 Bulunamad\u0131&#8221; hatas\u0131n\u0131 \u00e7\u00f6zmek i\u00e7in yap\u0131land\u0131rmaya devam etmeden \u00f6nce birka\u00e7 temel gereksinimi kar\u015f\u0131laman\u0131z gerekir:<\/p>\n\n\n\n<ul class=\"wp-block-list\" style=\"font-size:14px\"><li><strong>DNS Ayarlar\u0131na Eri\u015fim:<\/strong> Alan ad\u0131 kay\u0131t kurulu\u015funuz veya hosting sa\u011flay\u0131c\u0131n\u0131z arac\u0131l\u0131\u011f\u0131yla alan ad\u0131n\u0131z\u0131n DNS ayarlar\u0131na y\u00f6netici eri\u015fimine ihtiyac\u0131n\u0131z vard\u0131r. Bu eri\u015fim, DMARC kayd\u0131n\u0131z\u0131 eklemenize veya de\u011fi\u015ftirmenize olanak tan\u0131r.<\/li><li><strong>SPF ve DKIM Kay\u0131tlar\u0131: <\/strong>DMARC, etkin bir \u015fekilde \u00e7al\u0131\u015fmak i\u00e7in SPF ve DKIM&#8217;e dayan\u0131r. Bu y\u00fczden alan ad\u0131n\u0131z i\u00e7in bu kay\u0131tlar\u0131 ayarlad\u0131\u011f\u0131n\u0131zdan emin olun. Yap\u0131land\u0131r\u0131lmam\u0131\u015flarsa, DMARC&#8217;\u0131 uygulamadan \u00f6nce bunlar\u0131 olu\u015fturman\u0131z gerekir.<\/li><\/ul>\n\n\n\n<p>Bu gereklilikleri yerine getirdikten sonra DMARC Kayd\u0131 Bulunamad\u0131 hatas\u0131n\u0131 \u00e7\u00f6zerek ilerleyebilirsiniz.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">&#8220;No DMARC Record Found&#8221; Hatas\u0131 Nas\u0131l \u00c7\u00f6z\u00fcl\u00fcr?\u00a0<\/h2>\n\n\n\n<p>SPF ve DKIM kay\u0131tlar\u0131n\u0131z\u0131 ayarlad\u0131ktan sonra bir DMARC politikas\u0131 olu\u015fturup ekleyerek sorununu \u00e7\u00f6zmeye haz\u0131rs\u0131n\u0131z demektir. Hatay\u0131 gidermek i\u00e7in a\u015fa\u011f\u0131daki ad\u0131mlar\u0131 izleyebilirsiniz:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Alan Ad\u0131 Kay\u0131t Kurulu\u015funuzun DNS Ayarlar\u0131na Eri\u015fin<\/h3>\n\n\n\n<p>Alan ad\u0131 kay\u0131t kurulu\u015funuzun kontrol paneline giri\u015f yaparak ba\u015flay\u0131n. DNS kay\u0131tlar\u0131n\u0131 ekleyebilece\u011finiz veya d\u00fczenleyebilece\u011finiz DNS y\u00f6netimi b\u00f6l\u00fcm\u00fcne gidin. Alan ad\u0131n\u0131z i\u00e7in DMARC kayd\u0131n\u0131 burada yap\u0131land\u0131rabilirsiniz.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. DMARC Kayd\u0131n\u0131z\u0131 Olu\u015fturma<\/h3>\n\n\n\n<p>DNS y\u00f6netim panonuzda yeni bir TXT kayd\u0131 olu\u015fturun. DMARC kayd\u0131 i\u00e7in ayarlar a\u015fa\u011f\u0131daki \u015fekilde yap\u0131lmal\u0131d\u0131r.<\/p>\n\n\n\n<p><kbd>_dmarc.alanadiniz.com<\/kbd><\/p>\n\n\n\n<p>alanadiniz.com adresini ger\u00e7ek alan ad\u0131n\u0131zla de\u011fi\u015ftirin. Bu TXT kayd\u0131n\u0131n de\u011feri DMARC politikan\u0131z\u0131 tan\u0131mlayacakt\u0131r ve a\u015fa\u011f\u0131daki gibi g\u00f6r\u00fcnecektir:<\/p>\n\n\n\n<p><kbd>v=DMARC1; p=none; rua=mailto:dmarc_reports@alanadiniz.com<\/kbd><\/p>\n\n\n\n<p>Bu, <a href=\"https:\/\/uzmanposta.com\/blog\/e-posta-kimlik-dogrulama-nasil-yapilir\/\">e-posta kimlik do\u011frulama<\/a> hatalar\u0131n\u0131 izleyecek ve belirtilen e-posta adresine raporlar g\u00f6nderecektir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. DMARC Politikas\u0131na Karar Verme<\/h3>\n\n\n\n<p>Alan ad\u0131n\u0131z\u0131n kimlik do\u011frulamas\u0131 ba\u015far\u0131s\u0131z olan e-postalar\u0131 nas\u0131l ele alaca\u011f\u0131n\u0131 tan\u0131mlaman\u0131z gerekir. DMARC politikan\u0131z i\u00e7in \u00fc\u00e7 se\u00e7enek vard\u0131r:<\/p>\n\n\n\n<ul class=\"wp-block-list\" style=\"font-size:14px\"><li><strong>None (p=none)<\/strong>: Hi\u00e7bir i\u015flem yap\u0131lmaz ve yaln\u0131zca raporlar olu\u015fturulur.<\/li><li><strong>Karantina (p=quarantine)<\/strong>: Kimlik do\u011frulamas\u0131 ba\u015far\u0131s\u0131z olan e-postalar spam klas\u00f6r\u00fcne g\u00f6nderilir.<\/li><li><strong>Reject (p=reject)<\/strong>: Kimlik do\u011frulamas\u0131 ba\u015far\u0131s\u0131z olan e-postalar engellenir.<\/li><\/ul>\n\n\n\n<p>Kademeli bir da\u011f\u0131t\u0131m i\u00e7in &#8220;karantina&#8221; veya &#8220;Reject&#8221; gibi daha kat\u0131 bir politika uygulamadan \u00f6nce kimlik do\u011frulama hatalar\u0131n\u0131 izlemek i\u00e7in &#8220;none&#8221; ile ba\u015flay\u0131n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Raporlamay\u0131 Kurun<\/h3>\n\n\n\n<p>DMARC iki t\u00fcr rapor alman\u0131z\u0131 sa\u011flar:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Toplu raporlar (rua): <\/strong>Bunlar, t\u00fcm e-posta kimlik do\u011frulama sonu\u00e7lar\u0131na genel bir bak\u0131\u015f sa\u011flar.<\/li><li><strong>Adli raporlar (ruf): <\/strong>Bunlar, bireysel e-posta hatalar\u0131 hakk\u0131nda ayr\u0131nt\u0131l\u0131 bilgi sunar.<\/li><\/ul>\n\n\n\n<p>Bu raporlar\u0131 almak i\u00e7in DMARC kayd\u0131n\u0131za a\u015fa\u011f\u0131daki etiketleri ekleyin:<\/p>\n\n\n\n<p><kbd>rua=mailto:dmarc_aggregate@alanadiniz.com ruf=mailto:dmarc_forensic@alanadiniz.com\u00a0\u00a0<\/kbd><\/p>\n\n\n\n<p>Bu raporlar DMARC politikan\u0131z\u0131n etkinli\u011fini analiz etmenize yard\u0131mc\u0131 olacakt\u0131r.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5.&nbsp; De\u011fi\u015fiklikleri Kaydedin ve E-posta Raporlar\u0131n\u0131z\u0131 \u0130zleyin<\/h3>\n\n\n\n<p>DMARC kayd\u0131n\u0131z yap\u0131land\u0131r\u0131ld\u0131ktan sonra de\u011fi\u015fiklikleri DNS ayarlar\u0131n\u0131za kaydedin. De\u011fi\u015fikliklerin yay\u0131lmas\u0131 i\u00e7in 48 saate kadar bekleyin. Daha sonra raporlar\u0131 almaya ba\u015flayacaks\u0131n\u0131z. DMARC politikan\u0131z\u0131n do\u011fru \u00e7al\u0131\u015ft\u0131\u011f\u0131ndan emin olmak i\u00e7in bu raporlar\u0131 d\u00fczenli olarak izleyin ve gerekli ayarlamalar\u0131 yap\u0131n.<\/p>\n\n\n\n<p>Sonu\u00e7 olarak e-posta alan ad\u0131n\u0131z\u0131n g\u00fcvenli\u011fini art\u0131rmay\u0131 hedefliyorsan\u0131z &#8220;DMARC Record Is Not Found&#8221; sorununu d\u00fczeltmek bir \u00f6ncelik olmal\u0131d\u0131r. Bu y\u00fczden bir DMARC kayd\u0131 uygulamadan \u00f6nce SPF ve DKIM kay\u0131tlar\u0131n\u0131z\u0131n d\u00fczg\u00fcn \u015fekilde ayarland\u0131\u011f\u0131ndan emin olun. Bu yaz\u0131m\u0131zdaki ad\u0131mlar\u0131 izledi\u011finizde, alan ad\u0131n\u0131z\u0131 koruma yolunda ilerlemi\u015f olacaks\u0131n\u0131z.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&#8220;DMARC record is not found (DMARC kayd\u0131 bulunamad\u0131)&#8221; hatas\u0131 ile kar\u015f\u0131la\u015f\u0131rsan\u0131z, alan ad\u0131n\u0131zda, e-postan\u0131z\u0131 kimlik av\u0131 ve sahtecilik sald\u0131r\u0131lar\u0131na kar\u015f\u0131 korumak i\u00e7in tasarlanm\u0131\u015f \u00f6nemli bir DNS TXT kayd\u0131 bulunmuyor demektir. Peki bu tam olarak ne anlama gelir? Eksik bir DMARC politikas\u0131, alan ad\u0131n\u0131z\u0131 yetkisiz kullan\u0131ma maruz b\u0131rakarak bilgisayar korsanlar\u0131n\u0131n sizin ad\u0131n\u0131za sahte e-postalar g\u00f6ndermesine olanak [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":5365,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[87],"tags":[],"class_list":["post-5312","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-e-mail-e-posta"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>&quot;No DMARC Record Found&quot; Hatas\u0131 Nedir, Nas\u0131l \u00c7\u00f6z\u00fcl\u00fcr? - Uzman Posta<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/uzmanposta.com\/blog\/no-dmarc-record-found-hatasi-nedir-nasil-cozulur\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"&quot;No DMARC Record Found&quot; Hatas\u0131 Nedir, Nas\u0131l \u00c7\u00f6z\u00fcl\u00fcr? - Uzman Posta\" \/>\n<meta property=\"og:description\" content=\"&#8220;DMARC record is not found (DMARC kayd\u0131 bulunamad\u0131)&#8221; hatas\u0131 ile kar\u015f\u0131la\u015f\u0131rsan\u0131z, alan ad\u0131n\u0131zda, e-postan\u0131z\u0131 kimlik av\u0131 ve sahtecilik sald\u0131r\u0131lar\u0131na kar\u015f\u0131 korumak i\u00e7in tasarlanm\u0131\u015f \u00f6nemli bir DNS TXT kayd\u0131 bulunmuyor demektir. Peki bu tam olarak ne anlama gelir? 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