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 portarthurtx.gov

Valid
Issued by (CA)
Let's Encrypt
Subject
www.portarthurtx.gov
Valid from
Jul 16, 2026
Valid until
Oct 14, 2026 (85 days remaining)
Public key
RSA 2048-bit
Serial
05EF57520B720301805907821F5CE7319C6A
SHA-256 fingerprint
2B:7C:3A:42:B2:9E:CB:ED:2A:CB:BD:44:54:E7:E2:4A:A2:6B:DF:B6:44:05:99:E3:18:28:38:A3:4E:64:DD:DC
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (2)
portarthurtx.gov, www.portarthurtx.gov

Certificate Authority Authorization (CAA)

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