centos apache，不能解析二级域名，跪求大神
是这样的。突然发现一个域名除了顶级域名，和带www的二级域名可以访问。其他二级域名都访问不了。带解析可以成功，能ping通。输入除www的二级域名，浏览器转半天，最后打不开，这和没有做域名解析的二级域名又不一样，因为没做域名解析的，一输入网址是马上就404了，不会存在转半天的情况。
以前都是正常的，今天突然就不行了。弄了很久都还是老状况。绝对不可能是目录不对应的问题。
最后以为是新网vps阻止了二级域名的访问，但新网一向态度恶劣，直接否认。
所以请教下各位大神，会不会是配置的问题。
跪求+万谢。
------解决方案--------------------
ping 一下你的二级域名,看看绑定的ip是不是你的服务器ip.
如果没有问题的话,看一下你的服务器上IIS或apache的httpd.conf里是否正确的配置了二级域名以及要访问的目录.
------解决方案--------------------
httpd.conf或者nginx.conf贴出来看
------解决方案--------------------
输入错误的网址时，是404还是dns错误
------解决方案--------------------
重启一下
------解决方案--------------------
把你的域名贴出来吧
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