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 opsta.io
Valid- Issued by (CA)
- Google Trust Services
- Subject
- opsta.io
- Valid from
- May 30, 2026
- Valid until
- Aug 28, 2026 (37 days remaining)
- Public key
- EC 256-bit
- Serial
- 04A1C2F1310A3E510E0258418CAA5541
- SHA-256 fingerprint
- B8:BD:F6:CC:83:BC:68:01:35:28:B2:25:4C:03:85:D0:49:32:A0:8F:3F:23:5E:04:89:91:38:40:97:91:64:1A
- Chain
- WE1 → GTS Root R4
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.