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SSL Certificate Checker
Query crt.sh CT logs for issued certificates. Live TLS handshake inspection isn't possible from the browser alone.
Features
- CT lookup
- Issuer/dates
- JSON result
How to use SSL Check
- 1Enter a hostname.
- 2Review CT results.
Examples
example.com
Inputexample.comOutput
issuer + validity fields
About SSL Check
SSL Certificate Checker surfaces Certificate Transparency history for a domain via crt.sh.
Frequently asked questions
Browsers can’t read remote live certs via JS - CT is the client-side alternative.
CT shows issuance history; verify live status with openssl/server tools.
No.