Obtaining certificate chain for excas1.shelter.org.uk, one moment while we download the excas1.shelter.org.uk certificate and related intermediate certificates...
Refreshing certificate chain and revocation status for excas1.shelter.org.uk, one moment while we re-check the excas1.shelter.org.uk certificate and related intermediate certificates...
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Revocation check via OCSP and CRL for excas1.shelter.org.uk failed
Sorry, the request for excas1.shelter.org.uk could not be completed...
We could not load the certificate for excas1.shelter.org.uk, 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.