Environment
安装环境：Linux OS : Ubuntu 18.04
Bind server：Ubuntu 18.04 ip: 192.168.0.89
Other host : CentOS 7.6 ip: 192.168.0.253
Install
apt-get -y install bind9
conf
$ ll
total 76
drwxr-sr-x 2 root bind 4096 Jan 8 13:22 ./
drwxr-xr-x 123 root root 12288 Jan 7 23:15 ../
-rw-r--r-- 1 root root 2761 Nov 18 23:01 bind.keys
-rw-r--r-- 1 root root 237 Oct 1 02:39 db.0
-rw-r--r-- 1 root root 271 Oct 1 02:39 db.127
-rw-r--r-- 1 root root 237 Oct 1 02:39 db.255
-rw-r--r-- 1 root root 353 Oct 1 02:39 db.empty
-rw-r--r-- 1 root root 270 Oct 1 02:39 db.local
-rw-r--r-- 1 root bind 318 Jan 8 13:21 db.mysql
-rw-r--r-- 1 root bind 320 Jan 8 13:22 db.redis
-rw-r--r-- 1 root root 3171 Oct 1 02:39 db.root
-rw-r--r-- 1 root bind 463 Oct 1 02:39 named.conf
-rw-r--r-- 1 root bind 490 Oct 1 02:39 named.conf.default-zones
-rw-r--r-- 1 root bind 289 Jan 8 13:22 named.conf.local
-rw-r--r-- 1 root bind 922 Jan 6 23:00 named.conf.options
-rw-r----- 1 bind bind 77 Jan 6 22:49 rndc.key
-rw-r--r-- 1 root root 1317 Oct 1 02:39 zones.rfc1918
zone(一级域名)配置文件
分类策略
- 以业务区分
- 以服务器集群区分
- 以App名字区分
$ cat named.conf.local
// Consider adding the 1918 zones here, if they are not used in your
// organization
//include "/etc/bind/zones.rfc1918";
zone "redis.com" { type master; file "/etc/bind/db.redis"; };
zone "mysql.com" { type master; file "/etc/bind/db.mysql"; };
zone "dev.com" { type master; file "/etc/bind/db.dev"; };
子域名配置文件
redis dev 环境同理
$ cat db.mysql
;
; BIND data file for local loopback interface
;
$TTL 604800
@ IN SOA localhost. root.localhost. (
2 ; Serial
604800 ; Refresh
86400 ; Retry
2419200 ; Expire
604800 ) ; Negative Cache TTL
;
@ IN NS localhost.
@ IN A 127.0.0.1
@ IN AAAA ::1
app IN A 192.168.0.89
config IN A 192.168.0.233
Reboot to take effect
Reboot for the changes to take effect 重启去生效
$ /etc/init.d/bind9 restart
Test
[root@ELK-proxy-0-253 ~]# ping app.dev.com
PING app.dev.com (192.168.0.89) 56(84) bytes of data.
64 bytes from 192.168.0.89 (192.168.0.89): icmp_seq=1 ttl=64 time=0.191 ms
64 bytes from 192.168.0.89 (192.168.0.89): icmp_seq=2 ttl=64 time=0.232 ms
^C
--- app.dev.com ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1001ms
rtt min/avg/max/mdev = 0.191/0.211/0.232/0.025 ms
[root@ELK-proxy-0-253 ~]# ping config.dev.com
PING config.dev.com (192.168.0.89) 56(84) bytes of data.
64 bytes from 192.168.0.89 (192.168.0.89): icmp_seq=1 ttl=64 time=0.213 ms
64 bytes from 192.168.0.89 (192.168.0.89): icmp_seq=2 ttl=64 time=0.437 ms
^C
--- config.dev.com ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1001ms
rtt min/avg/max/mdev = 0.213/0.325/0.437/0.112 ms
[root@ELK-proxy-0-253 ~]# ping config.redis.com
PING config.redis.com (192.168.0.233) 56(84) bytes of data.
64 bytes from 192.168.0.233 (192.168.0.233): icmp_seq=1 ttl=64 time=0.173 ms
^C
--- config.redis.com ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.173/0.173/0.173/0.000 ms
[root@ELK-proxy-0-253 ~]# ping config.mysql.com
PING config.mysql.com (192.168.0.89) 56(84) bytes of data.
64 bytes from 192.168.0.89 (192.168.0.89): icmp_seq=1 ttl=64 time=0.171 ms
64 bytes from 192.168.0.89 (192.168.0.89): icmp_seq=2 ttl=64 time=0.202 ms
^C
--- config.mysql.com ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1001ms
rtt min/avg/max/mdev = 0.171/0.186/0.202/0.020 ms
下篇文章讲dns主从和递归原理等