SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
openfiber.nl
SSL/TLS Certificate
SSL/TLS Certificate for openfiber.nl
Valid- Issued by (CA)
- Trust Provider B.V.
- Subject
- *.openfiber.nl
- Valid from
- Aug 29, 2025
- Valid until
- Sep 3, 2026 (45 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 080574A284F7448156FF59F88D7B238E
- SHA-256 fingerprint
- 9D:53:AA:4A:D2:28:FF:DE:31:5E:28:2A:B0:E6:78:7C:A7:19:0E:36:4F:11:B0:00:ED:B0:A6:F2:B0:4B:54:97
- Chain
- Trust Provider B.V. TLS RSA CA G1 → DigiCert Global Root G2
Certificate Authority Authorization (CAA)
CAA restricts issuance to digicert.com, sectigo.com; we couldn't map the serving CA (Trust Provider B.V.) to one of these identifiers.
This certificate has been served since Jul 20, 2026.