求救：为什么我的DNS不能启动？(急）

风过无痕

[root@dns root]# nslookup
Note: nslookup is deprecated and may be removed from future releases.
Consider using the `dig' or `host' programs instead. Run nslookup with
the `-sil[ent]' option to prevent this message from appearing.
>

用VM虚拟了一个linux，怎么DNS老出现上面的错误启动不了？