Our Cloud Service Provider, Microsoft Azure, has a bug in their service that caused this, the brief outage yesterday, and the 9/12 outage. We detected the issue at 3:00, implemented a temporary fix that Azure has advised us on, and the service returned at 3:10. Azure is in the process of preparing their permanent fix for this bug for deployment. We are continuing to work with them on any possible escalations to their deployment process. We will update our status page once we have confirmed that the fix was deployed. We apologize for the inconvenience.