Why Are Your Emails Going to Spam?

You Don't Understand SPF, DKIM, or DMARC? You Don't Have To.

Enter your domain. In 10 seconds you'll know if it's your SPF, DKIM, DMARC, a blocklist, or something else. Plus copy-paste DNS records to fix every issue. No more guessing.

Don't Understand DMARC? You Don't Have To. We check SPF, DKIM, DMARC, BIMI, MTA-STS, and TLS-RPT automatically. If something's wrong, we tell you exactly what to paste into your DNS.
Are You Blacklisted? Find Out Now. One listing on Spamhaus can tank your deliverability overnight. We scan 110+ blocklists in parallel. Spamhaus, Barracuda, SpamCop, and 100+ more.
Fix It, Don't Just Find It Every failed check comes with the exact DNS record to fix it. Copy, paste into your DNS provider, re-scan. Done.
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The domain in your From address, e.g. company.com
Your mail server's public IP. Enables blocklist and PTR checks
Leave blank to auto-discover common selectors