Mitigation Generally speaking, you’d notice a nonsense name attack when your recursive name server starts running out of recursive query slots, as evidenced by the syslog message earlier.

AWS recently announced a recursion control feature in AWS Lambda that detects and stops Lambda functions running in a recursive or infinite loop.

Recursive DNS servers are provided by ISPs in order to increase efficiency and performance with the resolution of DNS queries. Sometimes, however, open recursive resolvers can be abused and used ...

To mitigate potential DoS attacks we do not want recursion to work for any DNS query originating outside the DMZ but of course the DMZ DNS servers are authoritative for company.com so they need to ...