On the afternoon of 11/3/2015 according to Vietnam time, iTunes Store was inaccessible. We received numerous reports and inquiries from readers. Upon investigation, we found that this issue not only occurred in Vietnam but globally as well.
Last update at 2:00 PM on 12/02/2015 (VN time):
Apple has officially confirmed that the issue lies with Apple's DNS, causing disruptions in accessing iTunes and some services. The company's technical team is working diligently to resolve the issue.
The problem originates from Apple's domain name resolution system, so readers don't need to worry or take any further action. Just wait for Apple to fix it, and normal access will be restored.