SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

SSL/TLS Certificate for cs116.com

Valid
Issued by (CA)
Let's Encrypt
Subject
cs116.com
Valid from
Jul 20, 2026
Valid until
Oct 18, 2026 (88 days remaining)
Public key
EC 256-bit
Serial
05BEB1E71E851EDD0EF5C49EF61EBA2FCF66
SHA-256 fingerprint
3A:05:49:FE:9B:B9:00:03:77:BA:A2:7A:9E:40:38:B6:54:D8:28:09:4C:95:19:22:78:EC:4E:0C:68:FD:ED:5E
Chain
YE1 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (1)
cs116.com

Certificate Authority Authorization (CAA)

No CAA policy is published for this domain — any certificate authority may issue for it.