Email Health Checker
Check MX, SPF and DMARC together in one lookup and get an A–F grade with a clear pass/fail list. Know in seconds whether a domain can reach the inbox.
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What we check
MX, SPF and DMARC — one grade.
The health checker runs all three core deliverability records at once and grades the domain A–F, with a clear pass/fail list so you know exactly what to fix.
- 01
Can it receive mail?
We confirm MX records exist — the baseline for any working email domain.
- 02
Is sending authenticated?
We check SPF is present and ends in a strict all policy, the foundation receivers use to trust your mail.
- 03
Is spoofing stopped?
We check DMARC exists and actually enforces (not p=none), then roll it all into a single A–F grade.
FAQ
Email health, answered.
It's the share of five core checks that pass: has MX, has SPF, SPF ends in -all/~all, has DMARC, and DMARC enforces (not p=none). 90%+ is an A; failing most is an F. Each check is shown with a plain-English explanation.
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