Redhat7 配置DNS

Redhat7 配置DNS
安装bind软件（略）

# cp/etc/named.rfc1912.zones /etc/named.rfc1912.zones.bak
# vi/etc/named.rfc1912.zones （将现有模板改下内容，其余可全删）

zone “ming.com” IN {
type master;
file “ming.com.zone”;
allow-update { none };
};

Zone “2.0.0.10.in-addr.arpa”IN {
type master;
file “10.0.0.2.arpa”;
allow-update { none; };
};

:wq

# cd /var/named/
# cp name.localhost ming.com.zone
# cp name.loopback 10.0.0.2.arpa
# vi ming.com.zone （上半部分不动，下半部分删除）
$TTL 1D
@ IN SOA @ rname.invalid. (

0;
1D;
1H;
1W;
3H);

IN NS aa.ming.com.aa IN A 10.0.0.2
bb IN A 10.0.0.2

:wq

# vi 10.0.0.2.arpa （上半部分不动，下半部分删除）
$TTL 1D@ IN SOA @ rname.invalid. (
0; 1D; 1H; 1W; 3H);IN NS aa.ming.com. IN A 10.0.0.2
IN PTR aa.ming.com.

:wq

# chown named ming.com.zone
# chown named 10.0.0.2.arpa
# systemctl start named
开放防火墙53端口：
# firewall-cmd –permanent –add-port=53/port
# firewall-cmd --reload

验证：
将本机/etc/resolv.conf里的nameserver 改为127.0.0.1

正向解析：
# nslookup aa.ming.com

反向解析：
# nslookup 10.0.0.2