using System;

using System.Net;

namespace NetCoreDns

{

    class Program

    {

        static void Main(string[] args)

        {

            string remoteHostName = string.Empty;

            Console.Write("请输入要解析的域名或主机名：");

            remoteHostName = Console.ReadLine();

            IPAddress[] ips = null;

            try

            {

                ips = Dns.GetHostAddresses(remoteHostName);//Dns.GetHostAddresses方法根据传入的域名或主机名，获取绑定的IP地址

            }

            catch (System.Net.Sockets.SocketException sex)//如果Dns.GetHostAddresses方法解析域名或主机名的IP地址失败，会抛出SocketException异常

            {

                Console.WriteLine($"域名或主机名{remoteHostName}无法被成功解析！");

            }

            if (ips != null && ips.Length >= )

            {

                Console.WriteLine("该域名或主机名的IP地址如下：");

                foreach (var ip in ips)

                {

                    Console.WriteLine(ip.ToString());//循环显示获取到的所有IP地址

                }

            }

            Console.WriteLine($"本机名为：{Dns.GetHostName()}");//Dns.GetHostName方法获取本机名

            Console.WriteLine($"根据指定的主机名获取DNS信息：{Dns.GetHostEntry(Dns.GetHostName()).HostName}");//Dns.GetHostEntry方法根据指定的主机名获取DNS信息

            Console.WriteLine("按任意键结束程序运行...");

            Console.ReadKey();

        }

    }

}