获取域名注册信息

在知道目标的域名之后，第一件事就是从whois 数据库中查询目标域名的注册信息，whois 数据库记录有改域名的DNS服务器信息和注册人的联系信息。

root@kali:~# whois cctv.comWhois Server Version 2.0Domain names in the .com and .net domains can now be registeredwith many different competing registrars. Go to http://www.internic.netfor detailed information.   Server Name: CCTV.COM.MX   Registrar: GODADDY.COM, LLC   Whois Server: whois.godaddy.com   Referral URL: http://www.godaddy.com   Domain Name: CCTV.COM   Registrar: BEIJING SANFRONT INFORMATION TECHNOLOGY CO., LTD   Sponsoring Registrar IANA ID: 1588   Whois Server: whois.sfn.cn   Referral URL: http://www.sfn.cn   Name Server: NS1.CCTV.COM   Name Server: NS2.CCTV.COM   Name Server: NS4.CCTV.COM   Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited   Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited   Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited   Updated Date: 30-dec-2016   Creation Date: 21-may-1997   Expiration Date: 22-may-2021