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 otco.ch
Valid- Issued by (CA)
- Google Trust Services
- Subject
- otco.ch
- Valid from
- Jun 16, 2026
- Valid until
- Sep 14, 2026 (54 days remaining)
- Public key
- EC 256-bit
- Serial
- AFA00BD78AC67EC20E71815ABB7731F4
- SHA-256 fingerprint
- BC:0F:4F:D1:3E:E2:E9:F9:EA:FE:45:9D:BC:AF:58:C4:B4:43:5A:A1:70:9F:29:CD:69:87:2A:02:B1:A4:BA:CD
- Chain
- WE1 → GTS Root R4
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.