DMARC record checker

Validate your DMARC policy and alignment to protect your domain from spoofing and phishing — and start getting reports.

Free · No signup · Runs in your browser

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Domain

Live DNS lookup · 20 checks/day

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Enter a domain and run the check to see a full report.

About DMARC

What DMARC controls

DMARC tells receivers what to do when a message fails SPF and DKIM alignment — and where to report it.

p=none monitors, p=quarantine sends to spam, p=reject blocks. Start at none, then tighten.

Aggregate reports reveal who's sending as your domain so you can spot abuse and fix gaps.

FAQ4 entries

Still curious? Our team responds in under an hour.

A TXT record at _dmarc.yourdomain.com that sets your policy for messages failing SPF/DKIM alignment, plus where to send authentication reports.

Start with p=none to monitor without affecting delivery. Once reports show your legitimate mail passes, move to quarantine and then reject.

DMARC requires the From domain to align with the SPF and/or DKIM domain. Relaxed alignment allows subdomains; strict requires an exact match.

You need a rua=mailto: address in your record. Add one to receive daily aggregate XML reports from mailbox providers.

More free tools3 tools

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Build a valid SPF record by picking your email providers and senders.

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Beyond the free tool

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