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