We have investigated issues with Amazon DNS service in us-east region.
It affects jobs processing and API availability of our components. Thanks for patience.
AWS confirmed the problem - 5:15 AM PDT We are investigating elevated errors resolving the DNS hostname used to access the EC2 APIs.
AWS status update - 5:51 AM PDT We have identified the root cause of the issue causing errors resolving the DNS hostname used to access the EC2 APIs and are currently working to resolve.