using System;
using Microsoft.Win32;
class MainClass
{
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();
}
}