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