debain遭遇-bash: dig: command not found

刚装好的debian测试机,提示没有dig命令,google一下:
you have to install package dnsutils

root@debian:~# dig
-bash: dig: command not found

root@debian:~# aptitude install dnsutils
root@debian:~# dig qq.com |grep -Ev "^;.*|(^$)"
qq.com.                 38024   IN      A       119.147.15.13
qq.com.                 38024   IN      A       119.147.15.17
qq.com.                 38024   IN      A       119.147.15.11
qq.com.                 37723   IN      NS      dns1.imok.net.
qq.com.                 37723   IN      NS      dns2.imok.net.
qq.com.                 37723   IN      NS      dns3.imok.net.
dns1.imok.net.          80587   IN      A       219.133.40.202
dns2.imok.net.          80587   IN      A       61.152.100.5
dns3.imok.net.          80587   IN      A       218.30.72.181