In the past, Apache performed these reverse lookups by default, but this behavior has been changed.

过去，Apache在缺省情况下会执行这些反向查找，但现在这种行为已经有了改变。

youdao

For 'reverse' lookups, that is, when you want to resolve an IP address to a name, you should set up an additional zone.

对于“反向”查找，也就是当您希望将IP地址解析到名称的时候，您应该设置一个附加的区域。

youdao