Comprehensive email authentication validation for BIMI, DMARC, SPF, and DKIM records. Perform real-time DNS lookups, validate certificate chains, and analyze policy compliance with our advanced validation engine. Get instant technical diagnostics including syntax verification, trust chain validation, and detailed error analysis.
Real-time DNS record lookup and syntax verification
VMC/CMC certificate validation and trust verification
DMARC policy analysis and alignment verification
Detailed error messages with fix recommendations
Enter a domain above to check its email authentication records (BIMI, DKIM, SPF, DMARC).
