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