本篇内容主要讲解“Centos7怎么搭建主从DNS服务器”，感兴趣的朋友不妨来看看。本文介绍的方法操作简单快捷，实用性强。下面就让小编来带大家学习“Centos7怎么搭建主从DNS服务器”吧!
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1、准备
例：两台192.168.11.10(主),192.168.11.11(从),域名
# 主从dns服务器均需要安装bind、bind-chroot、bind-utils
yum -y install bind bind-utils bind-chroot
# 如果防火墙开启，配置防火墙，添加服务(防火墙已禁用则忽略)
firewall-cmd --permanent --add-service=dns
firewall-cmd --reload
2、主dns服务器(192.168.11.10)配置
# 编辑配置文件
vim /etc/named.conf
# 找到其中两行
listen-on port 53 { 127.0.0.1; };
allow-query { localhost; };
# 修改为
listen-on port 53 { any; };
allow-query { any; };3、配置正向解析
# 编辑文件/etc/named.rfc1912.zones，在末尾添加需要解析的域
zone "test1.com" in {
type master;
file "data/test1.com.zone";
};
# 创建test1.com.zone解析域
vim /var/named/data/test1.com.zone
$ttl 3h
@ in soa test1.com. root (
20180928 ; serial
1d ; refresh
1h ; retry
1w ; expire
3h ) ; minimum
in ns @
in a 192.168.11.10
www in a 192.168.11.10
ftp in a 192.168.11.10
# 编辑/etc/resolv.conf，添加
search localdomain
nameserver 192.168.11.104、重启dns服务器
# 重启named
systemctl restart named
# 查看状态
systemctl status named
5、检查解析是否成功
# ping命令验证
ping -c 4 www.test1.com
# 输出如下即解析成功
ping www.test1.com (192.168.11.10) 56(84) bytes of data.
64 bytes from ftp.test1.com (192.168.11.10): icmp_seq=1 ttl=64 time=0.033 ms
64 bytes from ftp.test1.com (192.168.11.10): icmp_seq=2 ttl=64 time=0.058 ms
64 bytes from ftp.test1.com (192.168.11.10): icmp_seq=3 ttl=64 time=0.066 ms
64 bytes from ftp.test1.com (192.168.11.10): icmp_seq=4 ttl=64 time=0.057 ms
--- www.test1.com ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 3000ms
rtt min/avg/max/mdev = 0.033/0.053/0.066/0.014 ms
# nslookup命令验证
nslookup
>www.test1.com
# 输出如下即解析成功
server: 192.168.11.10
address: 192.168.11.10#53
name: www.test1.com
address: 192.168.11.10
6、配置反向解析
# 编辑文件/etc/named.rfc1912.zones，在末尾添加
vim etc/named.rfc1912.zones
zone "11.168.192.in-addr.arpa" in {
type master;
file "data/11.168.192.zone";
};
# 创建11.168.192.zone解析域
vim /var/named/data/11.168.192.zone
$ttl 3h
@ in soa web3.com. root (
20180928; serial
1d ; refresh
1h ; retry
1w ; expire
3h ) ; minimum
@ in ns www.test1.com.
10 in ptr www.test1.com.
10 in ptr ftp.test1.com.7、重启dns服务器
# 重启named
systemctl restart named
# 查看状态
systemctl status named
8、检查解析是否成功
# ping命令验证
ping -c 4 192.168.11.10
# 输出如下即解析成功
ping 192.168.11.10 (192.168.11.10) 56(84) bytes of data.
64 bytes from 192.168.11.10: icmp_seq=1 ttl=64 time=0.061 ms
64 bytes from 192.168.11.10: icmp_seq=2 ttl=64 time=0.058 ms
64 bytes from 192.168.11.10: icmp_seq=3 ttl=64 time=0.081 ms
64 bytes from 192.168.11.10: icmp_seq=4 ttl=64 time=0.060 ms
--- 192.168.11.10 ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 3000ms
rtt min/avg/max/mdev = 0.058/0.065/0.081/0.009 ms
# nslookup命令验证
nslookup 192.168.11.10
# 输出如下即解析成功
server: 192.168.11.10
address: 192.168.11.10#53
10.11.168.192.in-addr.arpa name = ftp.test1.com.
10.11.168.192.in-addr.arpa name = www.test1.com.
9、配置从dns服务器(192.168.11.11)
# 先修改主dns服务器(192.168.11.10)的配置/etc/named.rfc1912.zones
vim /etc/named.rfc1912.zones
zone "test1.com" in {
type master;
file "data/test1.com.zone";
allow-transfer {192.168.11.11;};
notify yes;
also-notify {192.168.11.11;};
};
zone "11.168.192.in-addr.arpa" in {
type master;
file "data/11.168.192.zone";
allow-transfer {192.168.11.11;};
notify yes;
also-notify {192.168.11.11;};
};10、配置从dns服务器(192.168.11.11)正向解析
# 编辑named.conf文件
vim /etc/named.conf
# 找到其中两行
listen-on port 53 { 127.0.0.1; };
allow-query { localhost; };
# 修改为
listen-on port 53 { any; };
allow-query { any; };
# 编辑文件/etc/named.rfc1912.zones，在末尾添加需要解析的域
vim /etc/named.rfc1912.zones
zone "test1.com" in {
type slave;
file "data/test1.com.zone"; };
masters { 192.168.11.10; };
# 创建test1.com.zonek空文件
touch /var/named/data/test1.com.zone
# 设置所有者
chown named:named test1.com.zone
# 编辑/etc/resolv.conf，添加
vim /etc/resolv.conf
search localdomain
nameserver 192.168.11.1111、重启dns服务器
# 重启named
systemctl restart named
# 查看状态
systemctl status named
12、检测解析是否成功
# ping命令验证
ping -c 4 www.test1.com
# 输出如下即解析成功
ping www.test1.com (192.168.11.10) 56(84) bytes of data.
64 bytes from ftp.test1.com (192.168.11.10): icmp_seq=1 ttl=64 time=0.033 ms
64 bytes from ftp.test1.com (192.168.11.10): icmp_seq=2 ttl=64 time=0.058 ms
64 bytes from ftp.test1.com (192.168.11.10): icmp_seq=3 ttl=64 time=0.066 ms
64 bytes from ftp.test1.com (192.168.11.10): icmp_seq=4 ttl=64 time=0.057 ms
--- www.test1.com ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 3000ms
rtt min/avg/max/mdev = 0.033/0.053/0.066/0.014 ms
# nslookup命令验证
nslookup
>www.test1.com
# 输出如下即解析成功
server: 192.168.11.11
address: 192.168.11.11#53
name: www.test1.com
address: 192.168.11.10
13、配置从dns服务器(192.168.11.11)反向解析
# 在文件/etc/named.rfc1912.zones中添加
vim etc/named.rfc1912.zones
zone "11.168.192.in-addr.arpa" in {
type master;
file "data/11.168.192.zone";
masters { 192.168.11.10; };
};
# 创建空文件11.168.192.zone
touch /var/named/data/11.168.192.zone
# 设置所有者
chown named:named 11.168.192.zone14、重启dns服务器
# 重启named
systemctl restart named
# 查看状态
systemctl status named
15、查看文件/var/named/data/test1.com.zone和/var/named/data/11.168.192.zone是否有二进制数据
cat /var/named/data/test1.com.zone
cat /var/named/data/11.168.192.zone
16、检查解析是否成功
# ping命令验证
ping -c 4 192.168.11.11
# 输出如下即解析成功
ping 192.168.11.11 (192.168.11.11) 56(84) bytes of data.
64 bytes from 192.168.11.11: icmp_seq=1 ttl=64 time=0.061 ms
64 bytes from 192.168.11.11: icmp_seq=2 ttl=64 time=0.058 ms
64 bytes from 192.168.11.11: icmp_seq=3 ttl=64 time=0.081 ms
64 bytes from 192.168.11.11: icmp_seq=4 ttl=64 time=0.060 ms
--- 192.168.11.11 ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 3000ms
rtt min/avg/max/mdev = 0.058/0.065/0.081/0.009 ms
# nslookup命令验证
nslookup 192.168.11.11
# 输出如下即解析成功
server: 192.168.11.11
address: 192.168.11.11#53
10.11.168.192.in-addr.arpa name = ftp.test1.com.
10.11.168.192.in-addr.arpa name = www.test1.com.
到此，相信大家对“Centos7怎么搭建主从DNS服务器”有了更深的了解，不妨来实际操作一番吧！这里是创新互联网站，更多相关内容可以进入相关频道进行查询，关注我们，继续学习！
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