There are many Public DNS servers like OpenDNS and Google DNS are available. The DNS server speed depend upon the Geographical location. For example, Google DNS server slow in Geographical location A and OpenDNS server fast in Geographical location B. For searching for best DNS server use the tool DNS Benchmark. It is a freeware and find best DNS server for you.
- Download DNS Benchmark.
- Select the "Nameserver" tab and retrieves data.
- Click Run Benchmark button.
- Click and read the "Conclusions" tab for more...