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 optimumcomputer.net

Hostname mismatch
Issued by (CA)
Let's Encrypt
Subject
cpanel.aegis.com.gr
Valid from
Jul 2, 2026
Valid until
Sep 30, 2026 (71 days remaining)
Public key
RSA 2048-bit
Serial
0568C5FFAF0489C231C4A1E2D296C56F9514
SHA-256 fingerprint
49:A1:FB:89:D8:99:AC:D1:AE:06:4A:E7:C8:C6:79:99:79:6B:F8:E0:9E:55:D3:A0:A5:1A:47:A6:3B:8A:D1:EE
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (2)
autoconfig.aegis.com.gr, cpanel.aegis.com.gr

Certificate Authority Authorization (CAA)

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