SSL/TLS certificate check

Checks the SSL certificate validity, issuer and expiry date.

Could not retrieve SSL certificate. The host may not support SSL or the connection timed out.

SSL certificate. Connects to a TLS-enabled host and displays the presented certificate subject, issuer, serial number and validity period. Use it to identify certificates that are expired, close to expiry or unexpectedly issued. Example: example.com on port 443.