private static List <BlacklistServer> getBlacklistServers(NameValueCollection blacklistCollection)
{
var result = new List <BlacklistServer>();
foreach (String blacklist in blacklistCollection.Keys)
{
var server = new BlacklistServer();
server.Name = blacklist;
server.DNS = blacklistCollection[blacklist];
result.Add(server);
}
return(result);
}
private bool isBlacklisted(BlacklistServer bs, Server server)
{
var ipSplit = server.IP.Split('.');
Array.Reverse(ipSplit);
var ipReverse = String.Join(".", ipSplit);
var location = ipReverse + "." + bs.DNS;
bool found = false;
try
{
IPHostEntry iph = Dns.GetHostEntry(location);
found = iph.AddressList.Length > 0;
}
catch (Exception ex)
{
Console.WriteLine($"Exception: {ex.Message} - {location}");
}
return(found);
}
