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 fsl.dk
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- fsl.dk
- Valid from
- Jun 13, 2026
- Valid until
- Sep 11, 2026 (52 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 0697CDC49FADE72AF535532FA12A7AFCDE64
- SHA-256 fingerprint
- DA:84:FF:AE:A4:F8:59:E9:45:52:36:B5:6F:20:BA:42:44:D7:DF:11:48:AB:E4:46:C0:00:5F:9C:DC:D3:4B:FA
- 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.