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