Check your email domain.

Grade any domain's SPF, DKIM, DMARC, and MX records in a few seconds. Every finding links to a plain explanation of the fix.

Check your domain.

SPF, DKIM, DMARC, and MX, graded in one pass.

A

96 of 100

example.com

SPF Pass

v=spf1 include:_spf.google.com ~all

One include. Softfail on everything else.

DKIM Pass

google

A selector answered.

DMARC Pass

v=DMARC1; p=quarantine; rua=mailto:dmarc@example.com;

Quarantine is published.

MX Pass

10 mail.example.com

Mail can be received.

Fix what it found.

Each lesson explains one part of the grade, with tools to build the record you need.

Send from a domain that scores an A.

Start a PostShiba trial. Verify a domain with two DNS records, then send from any address on it.

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