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