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 lucka.ch
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- lucka.ch
- Valid from
- Jun 17, 2026
- Valid until
- Sep 15, 2026 (56 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 064265E07257B7931C7A441E28B2D48E3376
- SHA-256 fingerprint
- 92:52:E1:2B:F7:5E:A4:D7:EB:BB:CC:32:4C:B1:0B:A3:4C:C9:AA:84:55:42:50:F0:BD:8E:81:83:AF:66:A0:64
- 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.