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 calag.ch
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- calag.ch
- Valid from
- Jun 12, 2026
- Valid until
- Sep 10, 2026 (50 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 05F56375EF24B4EB2F93FC5151A488C9C15B
- SHA-256 fingerprint
- 01:D5:D6:7A:12:FF:06:A6:2A:CA:A1:58:A9:34:63:87:29:70:51:04:4E:E1:0E:A1:77:9F:84:CD:DE:93:4F:E1
- Chain
- YR1 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.