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 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
Subject Alternative Names (2)
*.openfiber.nl, openfiber.nl

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.