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Revocation check via OCSP and CRL for dons2018.tdh-valais.ch failed
Sorry, the request for dons2018.tdh-valais.ch could not be completed...
We could not load the certificate for dons2018.tdh-valais.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.