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