我们使用centos系统的主机，对两个不同的域名进行ping的操作，发现PTR超时会导致域名解析出现延迟ping通的问题，这个问题怎么解决。求大神给予答复。正常情况下：ping ikanfa.net，第一次DNS解析回IP地址，第二次DNS是PTR反向解析，马上有返回了，后面ping的报文就可以继续，没有延时。这个时候ping很流程用户感觉不到等待时间。异常情况下，DNS...

问答 2018-11-22 来自：开发者社区

可否将二级域名，解析到弹性web托管空间下的某个文件夹？

您好，我在阿里云购买了域名和弹性web托管空间。请问，是否可以将一个二级域名，解析到弹性web托管空间下的某个子目录？比如有个文件夹，名字是“test”，是否可以将 a.b.com指向它？

问答 2018-11-22 来自：开发者社区

域名DNS有問題，解析跟服務器綁定都正常，網站打不開。

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更新时间 2025-05-17 22:01:15

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