#####dns的多臺管理####
1.dns的配置
以下文件配置參照之前dns的方法(之前博客介紹過):
[root@server named]# vim westos.com.zone
[root@server named]# vim /etc/named.conf
[root@server named]# vim /etc/named.rfc1912.zones
[root@server named]# vim /etc/resolv.conf
[root@server named]# systemctl restart named
[root@server named]# dig www.westos.com
2.多臺管理
主dns:
zone "westos.com" IN {
type master;
file "westos.com.zone";
allow-update { none; };
also-notify { 172.25.254.239; };
};
配置的其他臺dns:
zone "westos.com" IN {
type slave;
masters { 172.25.254.139; };
file "slaves/westos.com.zone";
allow-update { none; };
};
每次更改dns配置時,只在主dns更改。
重啓服務之後測試
$TTL 1D
@ IN SOA dns.westos.com. root.westos.com. (
此處每次更改dns要發生變化,否則不能同步## 2 ; serial
1D ; refresh
1H ; retry
1W ; expire
3H ) ; minimum
NS dns.westos.com.
dns A 172.25.254.139
www A 172.25.254.139