dns服务搭建

mkdir /mnt/cdrom
mount -t iso9660 /dev/cdrom /mnt/cdrom

rpm -ivh /mnt/cdrom/Packages/bind-9.8.2-0.10.rcl.e16.i686.rpm(可按tap补全)

rpm -ivh --nodeps bind-9.8.2-0.30.rc1.el6.x86_64.rpm 

#配置1：(空格分隔，一个空格就行)
vim /etc/named.conf

zone "***.com"  IN{
	type master;
	file "***.com.zone";
};

zone "137.168.192.in-addr.arpa"  IN{
	type master;
	file "192.168.137.rev";
};

#配置2：(除42	;serial中间是tab，其他均为一个空格)
vim /var/named/***.com.zone
$TTL  86400
@  IN  SOA  ns1.***.com.  hostmaster.***.com.(
42      ;serial
3H      ;refresh
15M     ;retry
1W      ;expiry
1D)     ;minimum

@  IN  NS  ns1.***.com.
@  IN  NS  ns2.***.com.

ns1  IN  A  192.168.137.2
ns2  IN  A  192.168.137.10
host1 IN A  192.168.137.3

gateway  IN  CNAME  host1.***.com.


#配置3：
vim /var/named/192.168.137.rev

$TTL  86400
@  IN  SOA  ns1.lwj.com.  hostmaster.lwj.com.(
42      ;serial
3H      ;refresh
15M     ;retry
1W      ;expiry
1D)     ;minimum

@   IN   NS  ns1.***.com.
@   IN   NS  ns2.***.com.

2   IN   PTR  ns1.***.com.
10  IN   PTR  ns2.***.com.
3   IN   PTR  host1.***.com.
3   IN   PTR  gateway.***.com.

# 检查语法是否有误;
named-checkconf
named-checkzone lwj.com /var/named/***.com.zone
named-checkzone 137.168.192.in-addr.arpa /var/named/192.168.137.rev

# 重启：
rndc-confgen -r /dev/urandom -a
service named start

# 如果没有发现nslookup
rpm -ivh bind-utils-9.8.2-0.10.rc1.el6.i686.rpm

# 正向解析
nslookup ns1.***.com.
nslookup ns2.***.com.
nslookup host1.***.com.
nslookup gateway.***.com.

# 逆向解析
nslookup 192.168.137.2
nslookup 192.168.137.3
nslookup 192.168.137.10