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