本文目录导读：
随着互联网的快速发展，域名已成为企业、个人获取网络身份的重要途径，DNS（域名系统）作为互联网的基石，承载着域名解析的重要任务，在当前域名管理中，泛域名解析逐渐成为了一种趋势，本文将深入探讨如何让Dns服务器支持泛域名解析，以实现高效域名管理。
什么是泛域名解析？
泛域名解析是指将一个域名解析到多个IP地址，当访问该域名时，根据请求的子域名，选择相应的IP地址进行访问，对于域名“example.com”，可以将其解析到IP地址“192.168.1.1”，同时为“www.example.com”、“blog.example.com”等子域名分配不同的IP地址。
为什么需要支持泛域名解析？
1、提高域名利用率：通过泛域名解析，可以将一个域名分配给多个子域名，从而提高域名的利用率。
图片来源于网络，如有侵权联系删除
2、方便域名管理：企业或个人只需管理一个主域名，即可实现对多个子域名的统一管理。
3、提高访问速度：通过为不同子域名分配不同的IP地址，可以实现负载均衡，提高访问速度。
图片来源于网络，如有侵权联系删除
4、增强安全性：泛域名解析可以实现子域名隔离，降低恶意攻击的风险。
如何让DNS服务器支持泛域名解析？
1、修改DNS服务器配置
图片来源于网络，如有侵权联系删除
以BIND为例，在DNS服务器配置文件（如“/etc/bind/named.conf”）中添加如下配置：
zone "example.com" {
type master;
file "/etc/bind/zones/db.example.com";
allow-query { any; };
allow-transfer { none; };
notify yes;
also-notify yes;
notify-source { any; };
notify-source-v6 { any; };
notify-to-soa yes;
notify-to-primary yes;
notify-to-secondary yes;
notify-to-secondary-serial yes;
notify-to-secondary-name yes;
notify-to-secondary-ttl yes;
notify-to-secondary-hesitant yes;
notify-to-secondary-safe yes;
notify-to-secondary-delay yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-min-refresh yes;
notify-to-secondary-max-refresh yes;
notify-to-secondary-min-retry yes;
notify-to-secondary-max-retry yes;
notify-to-secondary-max-expires yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes;
notify-to-secondary-retry yes;
notify-to-secondary-expire yes;
notify-to-secondary-min-ttl yes;
notify-to-secondary-max-ttl yes;
notify-to-secondary-ttl yes;
notify-to-secondary-refresh yes 标签： #让dns服务器支持泛域名解析
评论列表