Obtaining certificate chain for portal.dahlem-ingenieure.de, one moment while we download the portal.dahlem-ingenieure.de certificate and related intermediate certificates...
Revocation check via OCSP and CRL for portal.dahlem-ingenieure.de failed
Sorry, the request for portal.dahlem-ingenieure.de could not be completed...
We could not load the certificate for portal.dahlem-ingenieure.de
, it might not exist or we could not reach the server, complete the TLS handshake, etc.
Created by Paul van Brouwershaven
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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.