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SPF & DMARC Checker

Verify a domain's SPF, DMARC, MX, and DKIM email authentication records.

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What Is SPF & DMARC Checker?

The SPF and DMARC Checker queries a domain DNS records and grades its email authentication: SPF policy strictness, DMARC policy and reporting, mail exchangers, and an optional DKIM selector key. Spoofable domains get flagged with exactly what to publish to fix them.

Who Uses the SPF & DMARC Checker?

IT admins, marketers, and domain owners use it to stop phishing from their domains and to get deliverability out of spam folders.

How to Use the SPF & DMARC Checker

  1. Type the domain name, e.g. example.com.
  2. Optionally add a DKIM selector to check its key.
  3. Read the SPF, DMARC, MX, and DKIM verdicts.

Why Choose Our SPF & DMARC Checker?

  • SPF qualifier judged from fail to dangerous pass-all
  • DMARC policy, coverage, and reporting each graded
  • Optional DKIM selector lookup included

Try the SPF & DMARC Checker above — it is free, fast, and works on any device. Bookmark this page to return whenever you need it.