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