Email Deliverability Checker

Free SPF, DKIM, DMARC, MX and DNS blacklist check. No signup needed.

Formtabulous Email Deliverability Checker illustration

Check your domain’s email health

SPF, DKIM, DMARC, MX, rDNS and basic blacklist scan.

Enter a valid domain or email.
Shown for transparency — edit if you know your actual sending IP.
Starting checks…
Improve deliverability with real-world sending, opens, bounces & analytics.
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Disclaimer: This tool is designed to evaluate public DNS records and suggest possible improvements. It is not an official diagnostic or guarantee of email deliverability. Results may be cached for up to 24 hours for performance.