App store Rejects App for IPV6 network support on iOs 10

Question

I got an app rejection mail from apple which is below,

We discovered one or more bugs in your app when reviewed on iPad and iPhone running iOS 10.0.2 on Wi-Fi connected to an IPv6 network. Specifically, app remains on splash screen upon launch.

Based on their request i have created the NAT64 network on my Mac and shared that internet for the iPhone 5S device 10.0.2 os version , App was working fine,

But apple says its not working with IPv6 Can anyone confirm that do i need to check anything else?

Related question

Environments: Appcelerator Studio Ti SDK 5.1.0 GA XCode Version 6.3

Thanks in advance

Answer 1

Just Read the mail you got from apple people. Answer will be there only. Use wireshark to know what exactly your network doing.

Also to understand the problem better use wireshark for analyzing what is going on - create an network as outlined in that session and see what happens on the wifi port

https://developer.apple.com/videos/play/wwdc2015/719/

for more info check @Sean Answer

After quite a bit of stress, I can confirm that the issue was a problem with our backend not being correctly configured for IPv6. Apparently, AWS doesn't support IPv6, nor IPv6-only DNS through Route53. I ended up moving all the internet facing bits of the backend away from AWS for the time being. I wanted to leave this up because I think there are probably going to be others who find themselves with similar problems as people start submitting updates past the IPv6-only restriction. The best tool I found for testing server/dns readiness has been: http://ready.chair6.net/