SSL checker
Reads the certificate a host presents, including whether it covers the name you typed — a certificate for *.example.com does not cover example.com itself, and that catches people out.
Host
github.com
Validity
87d left
Certificate
Issued to
github.com
Issued by
Sectigo Limited
Valid from
2026-10-30
Valid to
2027-01-27
Signature
ecdsa-with-SHA256
Covers github.com
Yes
Also covers
github.com
www.github.com