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 loook.nl
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- loook.nl
- Valid from
- Jun 11, 2026
- Valid until
- Sep 9, 2026 (49 days remaining)
- Public key
- EC 256-bit
- Serial
- 059ABCF4AA4029C76FF8E259209E4D636C78
- SHA-256 fingerprint
- EA:A5:E3:7A:97:D6:15:36:2C:65:C8:FF:F0:F5:EE:69:DD:E2:FF:48:75:35:21:4E:50:16:77:83:31:8C:D6:37
- 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.