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