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