.Net DNS Server Example

Program_DNSServer.cs

//<PackageReference Include="DNS" Version="2.1.0" />
namespace DNSServer
{
    class Program
    {
        static void Main(string[] args)
        {
            DNS.Server.DnsServer server = new DNS.Server.DnsServer("8.8.8.8");

            server.Requested += Server_Requested;
            server.Responded += Server_Responded;

            server.Listen();

            Console.WriteLine("DNS Server Started!");
            Console.WriteLine("Press any key to quit!");
            Console.ReadKey();
        }

        private static void Server_Responded(DNS.Protocol.IRequest request, DNS.Protocol.IResponse response)
        {
            foreach (var a in response.AnswerRecords)
            {
                Console.WriteLine($"Responded: {a.Name}:{System.Text.Encoding.UTF8.GetString(a.Data)}");
            }

        }

        private static void Server_Requested(DNS.Protocol.IRequest request)
        {
            foreach (var q in request.Questions)
            {
                Console.WriteLine($"Requested: {q.Name}");
            }
        }
    }
}