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Forward Confirmed Reverse DNS (FCrDNS)

Top Deliverability > Forward Confirmed Reverse DNS (FCrDNS)

Forward Confirmed Reverse DNS (FCrDNS)

  • April 23, 2021
  • Posted by: Nicola Selenu
No Comments
« 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.

Synonyms:
Forward Confirmed Reverse DNS
FCrDNS
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Author:Nicola Selenu

Nicola Selenu is a recognized leader in the Email Industry (with 15 years of professional experience as an Email Marketing and Deliverability Consultant) and an active member of the Anti-Abuse community. Some (of the many) brands that proudly served during his career in Email are: Adobe, Nestlé, Expedia, Gucci, Bulgari, Luxottica, UNHCR, Amnesty International, LastMinute, Acer, Groupon.

Forward Confirmed Reverse DNS (FCrDNS)

Top Deliverability > Forward Confirmed Reverse DNS (FCrDNS)

Forward Confirmed Reverse DNS (FCrDNS)

  • April 23, 2021
  • Posted by: Nicola Selenu
No Comments
« 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
Related Terms:

Author:Nicola Selenu

Nicola Selenu is a recognized leader in the Email Industry (with 15 years of professional experience as an Email Marketing and Deliverability Consultant) and an active member of the Anti-Abuse community. Some (of the many) brands that proudly served during his career in Email are: Adobe, Nestlé, Expedia, Gucci, Bulgari, Luxottica, UNHCR, Amnesty International, LastMinute, Acer, Groupon.
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