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