Obtaining certificate chain for wlsusage.tudelft.nl, one moment while we download the wlsusage.tudelft.nl certificate and related intermediate certificates...
Refreshing certificate chain and revocation status for wlsusage.tudelft.nl, one moment while we re-check the wlsusage.tudelft.nl certificate and related intermediate certificates...
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Revocation check via OCSP and CRL for wlsusage.tudelft.nl failed
Sorry, the request for wlsusage.tudelft.nl could not be completed...
We could not load the certificate for wlsusage.tudelft.nl, it might not exist or we could not reach the server, complete the TLS handshake, etc.
Revoked certificates can't and should not be trusted, these certificate will cause errors like "NET::ERR_CERT_REVOKED" in browsers and expose a security risk.