Obtaining certificate chain for califano.c2b2.columbia.edu, one moment while we download the califano.c2b2.columbia.edu certificate and related intermediate certificates...
Revocation check via OCSP and CRL for califano.c2b2.columbia.edu failed
Sorry, the request for califano.c2b2.columbia.edu could not be completed...
We could not load the certificate for califano.c2b2.columbia.edu
, it might not exist or we could not reach the server, complete the TLS handshake, etc.
Created by Paul van Brouwershaven
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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.