Obtaining certificate chain for diy.rug.nl, one moment while we download the diy.rug.nl certificate and related intermediate certificates...
Refreshing certificate chain and revocation status for diy.rug.nl, one moment while we re-check the diy.rug.nl certificate and related intermediate certificates...
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Revocation check via OCSP and CRL for diy.rug.nl failed
Sorry, the request for diy.rug.nl could not be completed...
We could not load the certificate for diy.rug.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.