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