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