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 webfu.dk
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- webfu.dk
- Valid from
- Jun 11, 2026
- Valid until
- Sep 9, 2026 (50 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 057E1EADCC2A8EB24EE2340D271FD64AF6CA
- SHA-256 fingerprint
- 57:7A:0C:9C:9C:42:69:46:8D:E8:09:56:D7:68:64:2A:F2:F6:06:26:09:CB:91:5C:85:06:9A:D0:C5:50:54:76
- 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.