Obtaining certificate chain for once.cns.yorku.ca, one moment while we download the once.cns.yorku.ca certificate and related intermediate certificates...

Revocation check via OCSP and CRL for once.cns.yorku.ca failed

Sorry, the request for once.cns.yorku.ca could not be completed...

We could not load the certificate for once.cns.yorku.ca, it might not exist or we could not reach the server, complete the TLS handshake, etc.

Check the revocation status for another website

Created by Paul van Brouwershaven
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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.