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