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