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 isc.dk
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- isc.dk
- Valid from
- Jun 13, 2026
- Valid until
- Sep 11, 2026 (51 days remaining)
- Public key
- EC 256-bit
- Serial
- 06AE1FB42994ADDA1EEDB216471DDC766665
- SHA-256 fingerprint
- 78:A3:D1:1E:21:35:B9:2F:FD:A1:5D:22:2E:30:B8:96:27:D6:4B:72:F2:E4:E6:04:F9:97:01:BC:E4:B6:0C:57
- Chain
- YE1 → 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.