Obtaining certificate chain for testsp.tw.switch.ch, one moment while we download the testsp.tw.switch.ch certificate and related intermediate certificates...
Refreshing certificate chain and revocation status for testsp.tw.switch.ch, one moment while we re-check the testsp.tw.switch.ch certificate and related intermediate certificates...
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Revocation check via OCSP and CRL for testsp.tw.switch.ch failed
Sorry, the request for testsp.tw.switch.ch could not be completed...
We could not load the certificate for testsp.tw.switch.ch, 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.