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 kopo.dk
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- *.kopo.dk
- Valid from
- Jun 19, 2026
- Valid until
- Sep 17, 2026 (57 days remaining)
- Public key
- EC 256-bit
- Serial
- 05DD1D67475449717D7C64F4122442AA291C
- SHA-256 fingerprint
- 81:ED:3B:52:03:87:79:6E:19:CA:2D:D6:1F:54:26:38:3B:47:AF:E0:7F:22:BD:C3:D4:FB:0F:D5:94:D1:09:03
- 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.