Rackspace restored after DDOS takes out DNS servers for 11 hoursRackspaceDDoS attack

The company in its status report says that DDoS attack on its DNS servers DNS, that were sending both legitimate and DDoS traffic to Rackspace were blacklisted.  Thus during this 11 hour period, even genuine Rackspace visitors were inadvertently blocked.

Rackspace

Rackspace Inc. is a managed cloud computing company based in Windcrest, Texas, USA with branches in Australia, the United Kingdom, Switzerland, Israel, The Netherlands, India, and Hong Kong, and data centers operating in Texas, Illinois, Virginia, the United Kingdom, Australia, and Hong Kong. Rackspace provides Cloud Servers and Dedicated Servers to individuals and enterprises. In addition,  Rackspace helps design, build, and operate workloads across both environments to enterprise customers.

DDoS attack

The trouble Rackspace started just before lunchtime on Monday, US central time, and persisted until 11 hours later.  The company said in a status report filed on its site that, In a later update, Rackspace stated that, “Our engineers have fully resolved the impact to our DNS infrastructure.” However Rackspace customers may still face some problems with the website because “after blocking the majority of the inbound DDoS attack earlier in the morning some DNS servers that were sending both legitimate and DDoS traffic to Rackspace were blacklisted.” The status adds, “If you continue to experience adverse impact, please reach out to your support teams and provide trace route information for further investigations.” No one has yet claimed responsibility for the DDoS attack while Rackspace is investigating into the probable reasons for the attack.