iOS 检测服务器是否支持IPV6

Guideline 2.1 - Performance - App Completeness
We discovered one or more bugs in your app when reviewed on iPad running iOS 10.3.2 on Wi-Fi connected to an IPv6 network.
Specifically, the app launched to a blank page.
Please see attached screenshots for details.

Next Steps
To resolve this issue, please run your app on a device while connected to an IPv6 network (all apps must support IPv6) to identify any issues, then revise and resubmit your app for review.
If we misunderstood the intended behavior of your app, please reply to this message in Resolution Center to provide information on how these features were intended to work.
For new apps, uninstall all previous versions of your app from a device, then install and follow the steps to reproduce the issue. For updates, install the new version as an update to the previous version, then follow the steps to reproduce the issue.

检测服务器是否支持IPV6
终端输入以下代码:(参照网上方法)

dig +nocmd + nostats 你的域名 AAAA

这是看看你们的服务器在IPV6下是否有回应。

image.png

有错误的话, 对照下面的表:

image.png