[App] DNS 单点安装

os	rhel 7.2
server	192.168.1.150
client	192.168.1.152

# yum -y install bind bind-chroot bind-utils caching-nameserver

# rndc-confgen > /etc/rndc.conf

# chgrp named /etc/rndc.conf

# chmod 640 /etc/rndc.conf

# tail -11 /etc/rndc.conf >> /etc/named.conf

# vi /etc/sysconfig/named   # 关闭ipv6

OPTIONS="-4"

# vi /etc/named.conf

options {         listen-on port 53 { any; };       # 监听主机所有地址 53 端口         #listen-on-v6 port 53 { ::1; };         directory       "/var/named";         dump-file       "/var/named/data/cache_dump.db";         statistics-file "/var/named/data/named_stats.txt";         memstatistics-file "/var/named/data/named_mem_stats.txt";         allow-query     { any; };          # 任何人都可以申请查询请求       forwarders {             192.168.1.1;           # 解析不了的丢给这边，上层服务器       }         recursion yes;         dnssec-enable yes;         dnssec-validation yes;         bindkeys-file "/etc/named.iscdlv.key";         managed-keys-directory "/var/named/dynamic";         pid-file "/run/named/named.pid";         session-keyfile "/run/named/session.key"; }; logging {         channel default_debug {                 file "data/named.run";                 severity dynamic;         }; }; zone "." IN {         type hint;         file "named.ca"; }; include "/etc/named.rfc1912.zones"; include "/etc/named.root.key"; # Use with the following in named.conf, adjusting the allow list as needed: key "rndc-key" {         algorithm hmac-md5;         secret "h1APCmb0iG5Y/dstFk6sRA=="; }; controls {         inet 127.0.0.1 port 953                 allow { 127.0.0.1; } keys { "rndc-key"; }; };

# vi /etc/named.rfc1912.zones    # 添加zone

zone "wxhp.cn" IN {         type master;         file "wxhp.cn.zone"; }; zone "1.168.192.in-addr.arpa" IN {         type master;         file "1.168.192.zone"; }; zone "wxjy.cn" IN {         type master;         file "wxjy.cn.zone"; };

# cd /var/named/

# cp named.localhost wxhp.cn.zone

# vi wxhp.cn.zone

$TTL 1D @       IN SOA ns.wxhp.cn. root (                                         2017101301      ; serial                                         1D      ; refresh                                         1H      ; retry                                         1W      ; expire                                         3H )    ; minimum @       IN      NS      ns.wxhp.cn. ns      IN      A       192.168.1.150

# cp named.localhost 1.168.192.zone

# vi 1.168.192.zone

$TTL 1D @       IN SOA  ns.wxhp.cn. root (                                         2017101302      ; serial                                         1D      ; refresh                                         1H      ; retry                                         1W      ; expire                                         3H )    ; minimum @       IN      NS      ns.wxhp.cn. 150     IN      PTR     ns.wxhp.cn. 151     IN      PTR     www.wxjy.cn.

# cp -a wxhp.cn.zone wxjy.cn.zone

# vi wxjy.cn.zone

$TTL 1D @       IN SOA ns.wxhp.cn. root (                                         2017101303      ; serial                                         1D      ; refresh                                         1H      ; retry                                         1W      ; expire                                         3H )    ; minimum @       IN      NS      ns.wxhp.cn. www     IN      A       192.168.1.151

# chown :named *

# named-checkconf /etc/named.conf          # 测试配置文件有无报错

# named-checkzone 1.168.192 1.168.192.zone

# named-checkzone wxhp.cn wxhp.cn.zone

# named-checkzone wxjy.cn wxjy.cn.zone

#systemctl enable named && systemctl start named

# rndc status   # 可以通过 rndc reload 重新加载配置文件

# 客户端配置：

# vi /etc/resolv.conf

nameserver 192.168.1.150

# nslookup

> 192.168.1.150 Server:         192.168.1.150 Address:        192.168.1.150#53 150.1.168.192.in-addr.arpa      name = ns.wxhp.cn. > ns.wxhp.cn Server:         192.168.1.150 Address:        192.168.1.150#53 Name:   ns.wxhp.cn Address: 192.168.1.150 > 192.168.1.151   Server:         192.168.1.150 Address:        192.168.1.150#53 151.1.168.192.in-addr.arpa      name = www.wxjy.cn. > www.wxjy.cn Server:         192.168.1.150 Address:        192.168.1.150#53 Name:   www.wxjy.cn Address: 192.168.1.151