今天介绍一款布署,配置都十分方便快捷的DNS工具---DNSmasq
NSmasq是一个小巧且方便地用于配置DNS和DHCP的工具,适用于小型网络,它提供了DNS功能和可选择的DHCP功能。它服务那些只在本地适用的域名,这些域名是不会在全球的DNS服务器中出现的。DHCP服务器和DNS服务器结合,并且允许DHCP分配的地址能在DNS中正常解析,而这些DHCP分配的地址和相关命令可以配置到每台主机中,也可以配置到一台核心设备中(比如路由器),DNSmasq支持静态和动态两种DHCP配置方式。
下载地址:
http://www.thekelleys.org.uk/dnsmasq/
解压安装
tar -vxf dnsmasq-xx.xx.tar.gz
cd dnsmasq-xx.xx
make install
安装完成。
yum安装
直接执行
yum install dnsmasq
配置
在/etc/下新建配置文件dnsmasq.conf 或直接编辑此文件
示例:
#dnsmasq config, for a complete example, see:
# http://oss.segetech.com/intra/srv/dnsmasq.conf
#log all dns queries
# log-queries
#dont use hosts nameservers
no-resolv
#use cloudflare as default nameservers, prefer 1^4
server=1.2.4.8
server=114.114.114.114
strict-order
#serve all .company queries using a specific nameserver
#server=/company/10.0.0.1
#explicitly define host-ip mappings
# hdp
address=/hdp-master-/192.168.10.3
address=/hdp-worker-2/192.168.10.12
address=/hdp-worker-1/192.168.10.9
address=/worker-3.hdp/192.168.10.10
# hdp show
address=/show-master.hdp/192.168.10.26
address=/show-worker-1.hdp/192.168.10.29
address=/show-worker-2.hdp/192.168.10.2
ptr-record=26.10.168.192.in-addr.arpa,show-master.hdp
ptr-record=29.10.168.192.in-addr.arpa,show-worker-1.hdp
ptr-record=2.10.168.192.in-addr.arpa,show-worker-2.hdp