[C#] DNS서버 구하기

[C#] DNS 서버 구하기

How to get DNS in C#

using System.Net;
using System.Net.NetworkInformation;

private void showDnsServer()
{

    NetworkInterface[] adapters  = NetworkInterface.GetAllNetworkInterfaces();
    ArrayList dnsAddrList = new ArrayList();
    
    foreach (NetworkInterface adapter in adapters)
    {
    	IPInterfaceProperties adapterProperties = adapter.GetIPProperties();
        
        if (adapter.OperationalStatus == OperationalStatus.Up & adapter.NetworkInterfaceType == NetworkInterfaceType.Ethernet)
        {
        	IPAddressCollection dnsAddres = adapterProperties.DnsAddresses;
            foreach (IPAddress dns in dnsAddres)
            {
            	dnsAddrList.Add(dns.ToString());
            }
        }
    }
    
    string msg = "DNS : " + dnsAddrList[0] + "\r\n" + "DNSSub : " + dnsAddrList[1];
    MessageBox.Show(msg,"info",MessageBoxButton.OK, MessageBoxIcon.Information);
    return;
}