配置dns服务器
#安装源
curl -o /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo
#安装工具
yum install wget net-tools telnet tree nmap sysstat lrzsz dos2unix bind-utils -y
#安装bind
yum install bind -y
#vim /etc/named.conf
listen-on port 53 { 192.168.1.188; };
allow-query { any; };
forwarders { 192.168.1.1; };
#检查
named-checkconf
#编辑区域配置文件
# vim /etc/named.rfc1912.zones
zone "host.com" IN {
type master;
file "host.com.zone";
allow-update { 192.168.1.188; };
};
zone "od.com" IN {
type master;
file "od.com.zone";
allow-update { 192.168.1.188; };
};
#配置区域数据文件
#vim /var/named/host.com.zone
$ORIGIN host.com.
$TTL 600 ;10 minutes
@ IN SOA dns.host.com. dnsadmin.host.com. (
20191110 ; serial
10800 ; refreshI(3 hours)
900 ; retry (15 minutes )
604800 ; expire (1 week)
86400 ; minimum (1 day)
)
NS dns.host.com.
$TTL 60 ; 1 minute
dns A 192.168.1.188
HDSS7-11 A 192.168.1.188
HDSS7-12 A 10.4.7.12
HDSS7-21 A 10.4.7.21
HDSS7- 22 A 10.4.7.22
HDSS7-200 A 10.4.7 200
#vim /var/named/od.com.zone
$ORIGIN od.com.
$TTL 600 ;10 minutes
@ IN SOA dns.od.com. dnsadmin.od.com. (
2019111001 ; serial
10800 ; refreshI(3 hours)
900 ; retry (15 minutes )
604800 ; expire (1 week)
86400 ; minimum (1 day)
)
NS dns.od.com.
$TTL 60 ; 1 minute
dns A 192.168.1.188
#检查
named-checkconf
systemctl start named


修改network中dns
DND1=192.168.1.188
修改/etc/resolv.conf

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