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 bus.ch
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- bus.ch
- Valid from
- Jun 22, 2026
- Valid until
- Sep 20, 2026 (60 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 053A8FEBC49ABF952F3E1C6A2B6FEA69DB85
- SHA-256 fingerprint
- D1:FC:A1:4E:EB:F6:D3:77:6B:5B:FD:13:77:96:56:38:93:41:65:A0:D8:6E:74:93:A2:4D:27:26:37:AF:0E:99
- 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.