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 opuspetroleum.com

Valid
Issued by (CA)
Let's Encrypt
Subject
opuspetroleum.com
Valid from
Jun 22, 2026
Valid until
Sep 20, 2026 (60 days remaining)
Public key
RSA 2048-bit
Serial
05A154214EA45F55D38E5D4A4640BC7A12FD
SHA-256 fingerprint
FC:E1:1C:16:59:36:61:A9:90:A7:C5:A7:5D:19:CE:C7:C4:71:FF:F9:60:D0:22:A9:A4:80:E4:0E:5F:EA:27:46
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (2)
opuspetroleum.com, www.opuspetroleum.com

Certificate Authority Authorization (CAA)

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