iOS wonderful problem Error Domain=nsurlerrordomain code=-1003

Problem Description:

New products, iOS colleagues with a series of errors to find me, the log is as follows: Err =error domain=nsurlerrordomain code=-1003 "could not find a server with the specified hostname. ", the domain name requested in the interface is app.xxx.com (xxx.com hidden).

Android phone, bring your own network, access the domain name app.xxx.com Normal

Android phone, WiFi network, access to the domain name app.xxx.com Normal

Computer, access domain name app.xxx.com normal

iOS phone, wifi network, access to the domain name app.xxx.com Normal

iOS phone, bring your own network (mobile), Safari browser, access domain name app.xxx.com exception

iOS phone, bring your own network (mobile), Safari browser, access the domain name test.xxx.com (Test record immediately add) exception

iOS phone, bring your own network (mobile), Safari browser, access domain name manage.xxx.com (Manage record added about one months earlier than app record) normal

iOS phone, bring your own network (mobile), UC Browser, access domain name app.xxx.com normal

iOS phone, bring your own network (mobile), UC Browser, access domain name test.xxx.com (Test record immediately added) normal

iOS phone, bring your own network (mobile), UC Browser, access domain name manage.xxx.com (Manage record added about one months earlier than app record) normal

iOS phone, bring your own network (mobile), Safari browser, Access test.ooo.com (Test record added immediately) normal

Viewing the NS records of the xxx.com and ooo.com inconsistent, presumably xxx.com NS record problems, log in xxx.com domain name of the console to modify the NS record, this operation takes 24-48 hours to synchronize globally, can only wait 48 hours to see the problem.

View NS records for a domain name

　　

　　

iOS wonderful problem Error Domain=nsurlerrordomain code=-1003