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Revocation check via OCSP and CRL for sdn2tulung.rf.gd failed
Sorry, the request for sdn2tulung.rf.gd could not be completed...
We could not load the certificate for sdn2tulung.rf.gd, 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.