我很好奇即使所有子域都指向同一个IP地址，Apache Web服务器如何检测子域，因为我的理解是一个IP地址不能有子域，并且每个域名最终都会解析为一个IP地址。
例子：
example1.domain.com resolves to => 192.24.17.65 take you to => example1 webpage
example2.domain.com resolves to => 192.24.17.65 take you to => example2 webpage