yum -y install bind-utils bind bind-devel bind-libs
配置文件
vim /etc/named.conf
···
options {
    listen-on port 53 { any; };
    listen-on-v6 port 53 { ::1; };
    directory     "/var/named";
    dump-file     "/var/named/data/cache_dump.db";
    statistics-file "/var/named/data/named_stats.txt";
    memstatistics-file "/var/named/data/named_mem_stats.txt";
    recursing-file  "/var/named/data/named.recursing";
    secroots-file   "/var/named/data/named.secroots";
    allow-query     { any; };
    recursion yes;
    dnssec-enable yes;
    dnssec-validation yes;
    bindkeys-file "/etc/named.iscdlv.key";
    managed-keys-directory "/var/named/dynamic";
    pid-file "/run/named/named.pid";
    session-keyfile "/run/named/session.key";
    forwarders { 114.114.114.114; };#dns转发
};
logging {
        channel default_debug {
                file "data/named.run";
                severity dynamic;
        };
};
zone "." IN {
    type hint;
    file "named.ca";
};
include "/etc/named.rfc1912.zones";
include "/etc/named.root.key";
···
追加域名解析入口配置
vim /etc/named.rfc1912.zones
新增
···
zone "a.com" IN {           # 测试用的域是 a.com
        type master;
        file "a.com.zone";  # 配置文件为 a.com.zone，该文件目录为 /var/named/ 下
};
···
新增解析文件
/var/named/
cp named.localhost a.com.zone
chown named.named a.com.zone
···
$TTL 1D
@       IN SOA  @ rname.invalid. (
                                        0       ; serial
                                        1D      ; refresh
                                        1H      ; retry
                                        1W      ; expire
                                        3H )    ; minimum
        NS      @
        A       127.0.0.1
        AAAA    ::1
a  IN   A   47.111.97.147
···
systemctl start named
dig @127.0.0.1 a.com查看结果