Obtaining certificate chain for www.ohtsuki.ac.jp, one moment while we download the www.ohtsuki.ac.jp certificate and related intermediate certificates...
Revocation check via OCSP and CRL for www.ohtsuki.ac.jp failed
Sorry, the request for www.ohtsuki.ac.jp could not be completed...
We could not load the certificate for www.ohtsuki.ac.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.