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