Obtaining certificate chain for knaf.ir, one moment while we download the knaf.ir certificate and related intermediate certificates...
Refreshing certificate chain and revocation status for knaf.ir, one moment while we re-check the knaf.ir certificate and related intermediate certificates...
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Revocation check via OCSP and CRL for knaf.ir failed
Sorry, the request for knaf.ir could not be completed...
We could not load the certificate for knaf.ir, 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.