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