[왕초보]님이 남기신 글:

>로그 내용은 아래와 같습니다.(단 ip주소는 임의로
수정했습니다.)

>
>Sep  2 14:02:09 dic named[3586]: shutting down: flushing changes
>Sep  2 14:02:09 dic named[3586]: stopping command channel on
127.0.0.1#953
>Sep  2 14:02:09 dic named[3586]: no longer listening on 127.0.0.1#53
>Sep  2 14:02:09 dic named[3586]: no longer listening on
211.211.211.55#53
>Sep  2 14:02:09 dic named[3586]: exiting
>Sep  2 14:02:11 dic named[5386]: starting BIND 9.2.1 -u named
>Sep  2 14:02:11 dic named[5386]: using 1 CPU
>Sep  2 14:02:11 dic named[5386]: loading configuration from
'/etc/named.conf'
>Sep  2 14:02:11 dic named[5386]: no IPv6 interfaces found
>Sep  2 14:02:11 dic named[5386]: listening on IPv4 interface lo,
127.0.0.1#53
>Sep  2 14:02:11 dic named[5386]: listening on IPv4 interface eth0,
211.211.211.55#53
>Sep  2 14:02:11 dic named[5386]: command channel listening on
127.0.0.1#953
>Sep  2 14:02:11 dic named[5386]: zone 0.0.127.in-addr.arpa/IN: loaded serial
1997022700
>Sep  2 14:02:11 dic  9월  2 14:02:11 named: named 시작 succeeded
>Sep  2 14:02:11 dic named[5386]: zone 211.211.211.in-addr.arpa/IN: loaded serial
20040901
>Sep  2 14:02:11 dic named[5386]: zone kcst.or.kr/IN: loaded serial
2002052101
>Sep  2 14:02:11 dic named[5386]: zone localhost/IN: loaded serial 42
>Sep  2 14:02:11 dic named[5386]: running 

========================================

외부에서 그쪽 DNS 서버의 53번 포트가 막혀 있는것 같습니다.

외부에서 nmap 으로 체크해 보세요.