Obtaining certificate chain for zby.io, one moment while we download the zby.io certificate and related intermediate certificates...

Revocation check via OCSP and CRL for zby.io failed

Sorry, the request for zby.io could not be completed...

We could not load the certificate for zby.io, it might not exist or we could not reach the server, complete the TLS handshake, etc.

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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.