DNS Benchmark is a Tool created by Steve Gibson. As the name implies, it can be used to test and measure the performance of your DNS Nameservers, and offers solutions or (conclusions) to help improve performance, if your DNS Nameservers appear to be affecting your Internet experience.
DNS Nameserver Performance Benchmark and Testing Tool
Authors Website: http://www.grc.com/dns/benchmark.htm
File Size: 164 KB
Download: You can get this Nameserver Tester HERE