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SPF checkerCheck your SPF record and lookup limits.

DMARC checker DKIM checker Email header analyser Email service discovery

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Check your domain’s DMARC.

See what your domain asks email providers to do with messages that fail authentication.

Free. No account required.

Domain name

Checks public DNS using Google Public DNS. Google receives the queried names and your IP address. Nothing is changed. How your data is handled.

What this checks

Your published policy, reporting destinations and common record errors. If your domain has no record, the checker looks for a parent policy using the current DMARC discovery rules.

DNS settings describe your policy. To see what happened to a particular email, use the header analyser.

Understand the result

How SPF, DKIM and DMARC work together Why SPF can pass when DMARC fails All free tools

Automatic SPF management.

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Who it’s for

All use cases Individuals & creators Small businesses Software & SaaS

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