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