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