DMarcus — dmarc.mx Email Security Checker

🧑‍💻 Developer Tools

Check any domain's email security (DMARC, SPF, DKIM, BIMI, MX, MTA-STS) client-side via DNS-over-HTTPS. No server, no tracking.

Check any domain's email security (DMARC, SPF, DKIM, BIMI, MX, MTA-STS) client-side via DNS-over-HTTPS. No server, no tracking.