Generally, recursive queries should only be allowed from specific IP addresses." ISPs should only provide DNS services to their own customers, according to Kristensen.

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

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.

A recursive name server resolving a domain name in one of your zones will try to query the authoritative name server closest to it, so geographical distribution will tend to provide better ...

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 ...