Check the availability of a Host using C#

static void Main(string[] args)
        {
            System.Net.NetworkInformation.Ping ping = new System.Net.NetworkInformation.Ping();
            System.Net.NetworkInformation.PingReply reply = ping.Send("Gmail.com");
            Console.WriteLine("Address: {0}", reply.Address);
            Console.WriteLine("Status: {0}", reply.Status);
            Console.Read();
        }