Looks like it’s still having some residual issues with their CDNs:
May 19, 2017 12:44PM MDT
May 19, 2017 6:44PM UTC[Monitoring] We are still engaged in communication with our CDN to try and resolve connectivity issues. Users hitting affecting CDN nodes are still unable to reach our service.
May 19, 2017 3:44PM MDT
May 19, 2017 9:44PM UTC[Monitoring] We appreciate your patience while we continue to work with other providers to correct issues impacting our service.