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Free tool

DMARC checker

Read a domain's DMARC policy and see what receivers do with mail that fails SPF and DKIM. Free, no sign-up.

Free · No sign-up

Enter a domain to read its DMARC policy.

What it checks

What this tool checks

Three things, every time you run it.

  1. 01

    Finds the record

    Reads the TXT record at _dmarc.yourdomain and flags errors in it.

  2. 02

    Reads the policy

    none, quarantine or reject, the subdomain policy, and the percentage it applies to.

  3. 03

    Checks reporting

    Whether aggregate reports are sent somewhere you can read them.

Results

How to read the result

Every result comes with a plain reason.

Enforced

p=quarantine or p=reject. Spoofed mail is blocked or filtered.

Monitoring only

p=none. You get reports, but spoofed mail still gets through.

Missing

No DMARC record. Gmail and Yahoo require one from bulk senders.

Checking more than a few?

Upload a CSV and verify every address with all six checks. Start with 200 free credits.

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DKIM checker

Find and test a DKIM key

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FAQ

DMARC checker questions

Short answers about this tool.

A policy that tells receivers what to do when mail fails SPF and DKIM alignment.

Still have a question? Talk to us.

Check your list before you send it

Start with 200 free credits. Pay per credit after that.