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 lundk.ch
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- lundk.ch
- Valid from
- Jul 4, 2026
- Valid until
- Oct 2, 2026 (73 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 056D102990CA511C43856C2281EB316F22C0
- SHA-256 fingerprint
- 9E:1B:BC:83:FC:4D:F8:2A:B4:17:0C:2F:AF:80:48:05:03:2B:40:9D:74:72:1E:20:B2:28:C4:EC:69:AA:34:A8
- 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.