SSL Certificate Lookup

Look up the SSL/TLS certificates issued for a domain, with issuer and validity dates, from Certificate Transparency logs.

Why use this tool?

See the SSL/TLS certificates issued for a domain from public Certificate Transparency logs, including issuer and validity dates.

How to use it

  1. Enter a domain.
  2. Click Lookup.
  3. Check the issuer and expiry dates of the most recent certificates.