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DMARC Check: Validate Your DMARC Entry

With the DMARC-Check you can quickly and easily determine the DMARC entries of a domain. Simply enter the desired domain in the field above.

In response you will receive a table with the different components of the DMARC entry.

DMARC Entry - Structure

With a DMARC entry you can define how the recipient of your emails should verify that they come from the correct sender. You can also define how to proceed in case of an error.

A DMARC entry starts with v=DMARC1, followed by different key=value pairs. The most important statements are:



Instruction how to handle mails from the root domain


Instruction how to deal with mails from the subdomain


Alignment mode for DKIM


Alignment mode for SPF

Janis von Bleichert studied business informatics at the TU Munich and computer science at the TU Berlin, Germany. He has been self-employed since 2006 and is the founder of He writes about hosting, software and IT security.
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