Certificate Transparency Logs
Every SSL/TLS certificate ever issued for a domain, sourced from public CT logs — use it for subdomain discovery, CA auditing and expiry monitoring.
Direct TLS probe (~3s) + full history via crt.sh • Includes subdomains • Results deduplicated
Establishing secure TLS connection…
Analysing certificate transparency records for
Live certificate handshake & validation
Retrieving full issuance history from CT logs
Analysing certificates & compiling intelligence
Live certificate available in ~3s • complete history may take up to 40s