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 2open.nl
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- 2open.nl
- Valid from
- Jun 30, 2026
- Valid until
- Sep 28, 2026 (69 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 05D19003C05578B212C180EDB3A3ADA10075
- SHA-256 fingerprint
- C6:FA:AF:35:DD:15:3C:A0:A2:92:CF:BC:29:66:30:BB:3A:69:93:5C:E2:28:E4:3A:09:75:0F:9F:65:30:47:BC
- Chain
- YR2 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.