创建文件夹

mkdir /coredns/config/

添加一个CoreDNS配置文件

cat >/coredns/config/Corefile<<EOF.:53 {forward . 114.114.114.114:53log}EOF

启动docker

docker run -d --name coredns   --restart=always \-v /coredns/config:/etc/coredns \-p 53:53/udp \registry.aliyuncs.com/google_containers/coredns:v1.10.1 -conf /etc/coredns/Corefile \

hosts 部分添加你需要的域名

vim  /coredns/config/Corefile 
.:53 {hosts {10.40.92.44 api.xxx.cnfallthrough}forward . 10.40.92.1:53logerrors
}

登录一台服务器测试

#编辑vim /etc/resolv.conf#nameserver 部分添加域名服务的IP地址nameserver 10.40.92.6

正向解析

# nslookup sit-m.dreamingtc.cnServer:		10.40.92.6
Address:	10.40.92.6#53Name:	sit-m.xxx.cn
Address: 10.40.92.44

反向解析

#nslookup 10.40.92.4444.92.40.10.in-addr.arpa	name = Api.XXX.cn.