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 cnf.dk
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- cnf.dk
- Valid from
- Jul 2, 2026
- Valid until
- Sep 30, 2026 (71 days remaining)
- Public key
- EC 256-bit
- Serial
- 05AB767BCF51A4CC686F2901365265551F36
- SHA-256 fingerprint
- 56:37:0F:B6:83:0F:9E:36:5B:B2:DF:B2:11:1D:A5:4C:22:12:7D:13:58:90:9F:68:63:51:05:CA:F2:CA:34:82
- Chain
- YE2 → Root YE → ISRG Root X2 → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.