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 segon.nl
Expiring soon- Issued by (CA)
- Let's Encrypt
- Subject
- segon.nl
- Valid from
- May 2, 2026
- Valid until
- Jul 31, 2026 (10 days remaining)
- Public key
- RSA 4096-bit
- Serial
- 05DF04AF866CBA9ABC6B1C2F895EF689A7FA
- SHA-256 fingerprint
- B7:46:E5:02:E7:E5:8B:56:14:07:83:73:55:6B:29:BC:16:19:48:0F:9E:A8:50:8C:65:4B:06:F1:82:15:B6:C6
- Chain
- R13 → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.