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 cotex.ch
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- cotex.ch
- Valid from
- Jun 8, 2026
- Valid until
- Sep 6, 2026 (47 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 06296B3B1BAB36E346A49D9FB95AEE444525
- SHA-256 fingerprint
- 85:92:91:AB:11:30:C5:3B:50:CD:C1:59:21:81:0E:E6:6B:42:D8:C7:1B:AC:80:19:02:95:CB:DD:FC:0B:FB:01
- Chain
- YR2 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.