{"ok":true,"result":{"slug":"email-auth-checker","name":"Email Authentication Checker","summary":"SPF (with the DNS lookup count), DKIM, DMARC, MX, MTA-STS, TLS-RPT and BIMI for a domain, with a plain-English verdict.","description":"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.","method":"POST","endpoint":"/api/v1/tools/email-auth-checker","plan":"free","mcpName":"email_auth_checker","input":{"type":"object","additionalProperties":false,"properties":{"domain":{"type":"string","description":"The domain that sends email, such as example.com.","maxLength":2048},"selectors":{"type":"string","description":"DKIM selectors to check, comma separated. Defaults to common ones (google, selector1, selector2, default, k1, mail).","maxLength":500}},"required":["domain"]},"example":{"domain":"example.com"},"randomOutput":true,"network":true,"docs":"https://pithlab.com/developers/tools/email-auth-checker","page":"https://pithlab.com/tools/email-auth-checker"}}