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