SSL / TLS Checker

Check SSL Certificate

Check a domain's SSL certificate, expiration date, issuer and TLS connection details.

Enter a domain name without https://.

SSL Certificate Details

Unknown

Certificate

Domain —
Common Name —
Issuer —
Valid From —
Valid Until —
Days Remaining —

TLS Connection

TLS Version —
Port 443
Certificate Status —
Hostname Match Verified by TLS
About this check: NikProxy performs a live TLS connection to the requested domain on port 443. Certificate information is retrieved directly from the server at the time of the check.