/etc/resolv.conf
serch localdomain
nameserver 168.126.63.1
 건드린건 없어요
 nslookup 했을때,
 [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 provent this message from
appering.
>
 레드헷7.2