像点点、新浪博客那样用户自己提交二级域名并自动解析是怎么实现的？
想用wordpress实现一个轻量级博客的功能（非wp mu），但是二级域名部分不知道怎么处理了，想知道像点点、新浪博客那样用户自己提交二级域名并自动解析是怎么实现的？
回复内容：
想用wordpress实现一个轻量级博客的功能（非wp mu），但是二级域名部分不知道怎么处理了，想知道像点点、新浪博客那样用户自己提交二级域名并自动解析是怎么实现的？
域名解析的 A 记录：
-
@--->justjavac.com -
www--->www.justjavac.com -
*--->*.justjavac.com
用方式3可以实现，然后在 web 端由 PHP 处理，不需要 DNS 相关的编程。
看了半天没有回答对的，代理服务器（nginx、apache）转发就可以了，比如你是wang.sina.com直接转化成www.sina.com/wang
泛域名解析
泛解析
*.yuming.com
判断这个*就可以啦
方法一
- 通过泛域名解析，将某个顶级域名下的所有的子域名都指向某个IP地址，然后通过HTTP服务器的virtual host来区分。
方法二
- 自己建一个DNS服务器，然后将顶级域名添加一条NS记录指向该DNS服务器，这样所有的子域名就都交给自己建立的服务器来解析了。
同楼上,一般DNS解析服务商(像DNSPOD)都支持域名泛解析,可以添加类似 *.abc.com 的解析
然后你可以在自己的服务器的http服务(如nginx)根据域名来确定请求到哪个站点
或者在你的网站程序里,通过host判断用户是访问的哪个域名,然后展示不同的内容
一般都是通过泛域名来解析，而且现在很多服务商都支持！
泛解析 + 伪静态 就可以搞定
貌似别人问的是自动解析, 你们都答的什么?
我觉得可以 做一个泛解析, 转到某个特定 URL , 再用正则取到 用户名, 再用 htaccess 做转向或重写
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