호스트네임을 이용한 DNS 서버 셋팅하기

[root@s92 ~/INSTALL]# vi /etc/named.conf

zone "s92.sist.co.kr" IN { // FORWARD
type master; // hint, master, slave
file "db.s92"; // 사용할 DB파일 /var/named/에 위치함
allow-update { none; };
};

zone "89.63.211.in-addr.arpa" IN { // REVERSE
type master;
file "db.89";
allow-update { none; };
};

[root@s92 /var/named]# cd /var/named/chroot/var/named
[root@s92 /var/named/chroot/var/named]# ll
합계 80
drwxr-x--- 2 named named 4096 11월 25 10:49 data
-rw-r--r-- 1 named named 198 11월 25 10:49 localdomain.zone
-rw-r--r-- 1 named named 195 11월 25 10:49 localhost.zone
-rw-r--r-- 1 named named 415 11월 25 10:49 named.broadcast
-rw-r--r-- 1 named named 2518 11월 25 10:49 named.ca
-rw-r--r-- 1 named named 432 11월 25 10:49 named.ip6.local
-rw-r--r-- 1 named named 433 11월 25 10:49 named.local
-rw-r--r-- 1 named named 5 12월 5 10:58 named.pid
-rw-r--r-- 1 named named 416 11월 25 10:49 named.zero
drwxr-x--- 2 named named 4096 11월 25 10:49 slaves

# DB 생성
[root@s92 /var/named/chroot/var/named]# vi db.s92

$TTL 2
@ IN SOA ns.s92.sist.co.kr. root.localhost. (1 4 2 7D 2)
IN NS ns.s92.sist.co.kr.
IN MX 10 mail
ns IN A 211.63.89.92
mail IN A 211.63.89.92
www IN A 211.63.89.92
ttl IN CNAME ns

:: 위 셋팅 내용 설명
$TTL 2 = Time to live 2 second
@ = 내가 사용할 기본 도메인
IN = internet
SOA = start of authority
root.localhost = 메일주소
A = address
CNAME = ns의 다른이름

[root@s92 /var/named/chroot/var/named]# vi db.89

$TTL 2
@ IN SOA ns.s92.sist.co.kr. root.localhost. (1 4 2 7D 2)
IN NS ns.s92.sist.co.kr.
92 IN PTR ns.s92.sist.co.kr.

:: 위 셋팅 내용 설명
s92 = 아이피 끝자리

[root@s92 /var/named/chroot/etc]# killall named
[root@s92 /var/named/chroot/etc]# service named start
named (을)를 시작합니다: [ 확인 ]

[root@s92 /var/named/chroot/etc]# nslookup -sil
> www.s92.sist.co.kr
Server: 211.63.89.92
Address: 211.63.89.92#53

Name: www.s92.sist.co.kr
Address: 211.63.89.92