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