Obtaining certificate chain for owa2.kumon.co.jp, one moment while we download the owa2.kumon.co.jp certificate and related intermediate certificates...
Revocation check via OCSP and CRL for owa2.kumon.co.jp failed
Sorry, the request for owa2.kumon.co.jp could not be completed...
We could not load the certificate for owa2.kumon.co.jp
, it might not exist or we could not reach the server, complete the TLS handshake, etc.
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.