SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
opnsound.uk
SSL/TLS Certificate
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
Certificate Authority Authorization (CAA)
The serving CA (Let's Encrypt) is authorized by this domain's CAA records (globalsign.com, letsencrypt.org).