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