20,199,305 2019-2020-2 "network attack and defense practice," the third week of work

"Network attack and defense practice," the third week of work

I. Introduction

problem	Reply
Job belongs	https://edu.cnblogs.com/campus/besti/19attackdefense
Work requirements	https://edu.cnblogs.com/campus/besti/19attackdefense/homework/10471
Course targets	Learning materials Chapter III, completed after-school practice

Second, the sort of knowledge

Third, the practice of a task

1, mission requirements

从google.com、g.cn、baidu.com、sina.com.cn中选择一个DNS域名进行查询，获取如下信息：

- DNS注册人及联系方式

- 该域名对应IP地址

- IP地址注册人及联系方式

- IP地址所在国家、城市和具体地理位置

2, access whoisSoft.com input baidu.com, get DNS registrant and contact information

3, with the virtual machine kali query baidu.com IP information, input nslookup baidu.com

4, return whoisSoft.com, enter the IP address, access to registrant information, contact information and IP address information Country city location