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