On Fri, Oct 21, 2016 at 09:11:34AM -0400, Mike Phipps via Outages <outages@outages.org> wrote a message of 175 lines which said:
issues with sites that use DYNECT.NET for serving their DNS
https://www.dynstatus.com/incidents/nlr4yrr162t8 DDoS Attack Against Dyn Managed DNS Incident Report for Dyn, Inc. Subscribe to Updates Update This attack is mainly impacting US East and is impacting Managed DNS customers in this region. Our Engineers are continuing to work on mitigating this issue. Posted 33 minutes ago. Oct 21, 2016 - 12:45 UTC Investigating Starting at 11:10 UTC on October 21th-Friday 2016 we began monitoring and mitigating a DDoS attack against our Dyn Managed DNS infrastructure. Some customers may experience increased DNS query latency and delayed zone propagation during this time. Updates will be posted as information becomes available. Customers with questions or concerns are encouraged to reach out to our Technical Support Team. Posted about 2 hours ago. Oct 21, 2016 - 11:10 UTC This incident affects: Dyn Managed DNS (Anycast Network).