DNS字典爆破

1、下载软件
apt-get install dnsmap
2、查看字典文件
dpkg -L dnsmap
/usr/share/dnsmap/wordlist_TLAs.txt
3、查看命令帮助
info dnsmap /man dnsmap
OPTIONS
       -w <wordlist-file>
              Use an external wordlist instead of the built-in one. You can use programs as crunch or cupp to generate
              personalized wordlists.
4、命令
dnsmap xxx.com -w /usr/share/dnsmap/wordlist_TLAs.txt
5、目标
查询该域名dns记录下所有的cname、a记录域名