____ _ _ _ _
| _ \ ___ | |_ (_) _ __ ___ __| | (_) __ _
| |_) | / _ \ | __| | | | '_ \ / _ \ / _| | | | / _ |
| _ < | __/ | |_ | | | |_) | | __/ | (_| | | | | (_| |
|_| \_\ \___| \__| |_| | .__/ \___| \__,_| |_| \__,_|
|_|
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SPF Resource Record
ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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Mit einem SPF Resource Record konnte eine Sender Policy (siehe Sender Policy Framework) fΓΌr einen DNS-Namen definiert werden. Dieser Resource-Record-Typ wurde jedoch im April 2014 widerrufen, da Sender Policies inzwischen innerhalb von TXT-Records weit verbreitet waren und das zustΓ€ndige Standardisierungsgremium nicht damit rechnete, dass sich ein dedizierter Resource Record durchsetzen wΓΌrde. Somit ist TXT der einzig standardkonforme RR-Typ fΓΌr SPF.cite-ref-1[1]
Der dedizierte SPF-Record-Typ wird von einigen SPF-Implementierungen und von BIND ab Version 9.4 unterstΓΌtzt.
Contents
β’ Aufbau
β’ Beispiel
β’ Weblinks
β’ Einzelnachweise
ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
Aufbau
Name
der zu schΓΌtzende Domain-Name
TTL
gibt an, wie lange der RR im Cache gehalten werden darf
IN
SPF (99)
text
eine Sender Policy entsprechend der SPF-Spezifikation
Beispiel
example.com. 3600 IN SPF "v=spf1 mx -all"
Weblinks
β’ RFC: 4408 β Sender Policy Framework (SPF) for Authorizing Use of Domains in E-Mail, Version 1. April 2006 (englisch).
β’ RFC: 7208 β Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1. April 2014 (lΓΆst RFC 4408 ab, englisch).
Einzelnachweise