Forward Confirmed Reverse DNS (FCrDNS)
Forward Confirmed Reverse DNS (FCrDNS)
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A DNS technical configuration that shows a relationship exists between an IP address and a hostname. By having FCrDNS, you prove that your IP address is using a sending domain that you own. This relationship provides a form of authentication that some mailbox providers use in their spam filter methodology.
Synonyms:
Forward Confirmed Reverse DNS, FCrDNS
Forward Confirmed Reverse DNS (FCrDNS)
« Back to Glossary Index
A DNS technical configuration that shows a relationship exists between an IP address and a hostname. By having FCrDNS, you prove that your IP address is using a sending domain that you own. This relationship provides a form of authentication that some mailbox providers use in their spam filter methodology.
« Back to Glossary Index