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