using System;
using Microsoft.Win32;
class FindDNSServers {
public static void Main() {
RegistryKey start = Registry.LocalMachine;
string DNSservers = @"SYSTEM\CurrentControlSet\Services\Tcpip\Parameters";
RegistryKey DNSserverKey = start.OpenSubKey(DNSservers);
if (DNSserverKey == null) {
Console.WriteLine("Unable to open DNS servers key");
return;
}
string serverlist = (string)DNSserverKey.GetValue("NameServer");
Console.WriteLine("DNS Servers: {0}", serverlist);
DNSserverKey.Close();
start.Close();
char[] token = new char[1];
token[0] = ' ';
string[] servers = serverlist.Split(token);
foreach (string server in servers) {
Console.WriteLine("DNS server: {0}", server);
}
}
}
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