Email Authentication Checker API

SPF (with the DNS lookup count), DKIM, DMARC, MX, MTA-STS, TLS-RPT and BIMI for a domain, with a plain-English verdict.

POST /api/v1/tools/email-auth-checkerMCP email_auth_checkerNetwork ToolsRandom outputLive network check

Check a domain's SPF, DKIM, DMARC, MX, MTA-STS and BIMI records in one go, with the SPF lookup count, policy problems and a plain-English verdict on spoofing risk.

Input

Send these as a JSON object. Unknown fields are rejected.

domain: The domain that sends email, such as example.com. (string, up to 2048 characters, required)
selectors: DKIM selectors to check, comma separated. Defaults to common ones (google, selector1, selector2, default, k1, mail). (string, up to 500 characters)

Try it in the browser JSON Schema Get an API key

curl https://pithlab.com/api/v1/tools/email-auth-checker \n  -H "Authorization: Bearer $PITHLAB_KEY" \n  -H "Content-Type: application/json" \n  -d '{"domain":"example.com"}'