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