Certificate Transparency Checker

Search Certificate Transparency logs to find all SSL certificates ever issued for any domain

Certificate Transparency Checker

Enter a domain to search Certificate Transparency logs for all SSL certificates ever issued.

Tool Features

Search public SSL Certificate Transparency logs

CT Log Search

Query crt.sh to find all certificates ever issued for a domain

Subdomain Discovery

Find subdomains disclosed in SSL certificate SAN fields

Expiry Status

See active, expiring, and expired certificates at a glance

CSV Export

Download the full certificate list as a CSV file

Related Tools
Discover similar utilities

SSL Checker