DNS Benchmark is a free download that can test the DNS server performance of your internet service provider (or any other DNS servers for that matter).
A simple DNS server benchmarking tool. Have you ever needed to troubleshoot a DNS server? Or maybe you want to do some benchmarking before trouble arises.
GRC's DNS Benchmark performs a detailed analysis and comparison of the operational performance and reliability of any set of up to 200 DNS nameservers.
GRC's DNS Benchmark performs a detailed analysis and comparison of the operational performance and reliability of any set of up to 200 DNS nameservers ( ... SpinRite · Purchasing · Features & Operation... · GRC's