As best as we can tell, this issue started in the late evening Sunday, registration occurred very early in the morning Monday, and was subsequently resolved lat

As best as we can tell, this issue started in the late evening Sunday, registration occurred very early in the morning Monday, and was subsequently resolved later in the day: https://discussions.apple.com/message/19852289#19852289 https://discussions.apple.com/message/19852289#19852289 And it appears it was never about DNS resolution / network discoverability.