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 opnsound.uk

Valid
Issued by (CA)
Let's Encrypt
Subject
opnsound.uk
Valid from
Jun 14, 2026
Valid until
Sep 12, 2026 (52 days remaining)
Public key
EC 256-bit
Serial
06A430FD2338D26B4951E67A30B39E9E6757
SHA-256 fingerprint
9C:E6:51:39:87:FB:FE:68:DD:30:CE:01:39:AD:3C:49:2F:6B:BB:F3:68:D1:AE:FB:95:3B:C6:DA:ED:7E:36:B4
Chain
YE2 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (1)
opnsound.uk

Certificate Authority Authorization (CAA)

The serving CA (Let's Encrypt) is authorized by this domain's CAA records (globalsign.com, letsencrypt.org).