说明：  应用层协议与配置 通过本次实验，使学生学会在windows系统上搭建域名服务器；理解正向反向域名解析的原理 学会安装DNS服务器，学会配置DNS服务器属性，掌握nslookup命令的使用；要求详细记录关键配置步骤，并对所有的域名使用nslookup进行测试，记录测试结果。
(Application layer protocol and configuration through this experiment, students learn to build in the windows domain name server system understanding of the principles of positive reverse DNS learn to install DNS server, learn to configure the DNS server properties, to master the use nslookup command requires detailed records The key configuration steps, and all of the domain name to use nslookup to test, record test results.)