Obtaining certificate chain for meeting.itmatik.ch, one moment while we download the meeting.itmatik.ch certificate and related intermediate certificates...
Revocation check via OCSP and CRL for meeting.itmatik.ch failed
Sorry, the request for meeting.itmatik.ch could not be completed...
We could not load the certificate for meeting.itmatik.ch, 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.