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