Thanks for the replies on this. Looks like most of this was luck of the draw and not notifications from AWS to Google. I had a change to make today, and made

Thanks for the replies on this. Looks like most of this was luck of the draw and not notifications from AWS to Google. I had a change to make today, and made 100 requests from 8.8.8.8 before, then made the change and it hadn't updated after a couple minutes. In Denver, looks like we have 15 different servers answering the 8.8.8.8 requests. I then hit the "clear cache" URL someone mentioned here, and it updated quickly then. Great discussion, thanks everyone!