Thus during this 11 hour period, even genuine Rackspace visitors were inadvertently blocked.
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.
to stabilize the issue, our teams placed the impacted DNS infrastructure behind mitigation services.
Our teams are actively working to mitigate the attack and provide service stability.
source: www.techworm.net