It is very important to get the fastest Domain Name Benchmark to ensure your best Internet surfing.
Now, you may get this freeware from Gibson Research Corporation as below,
To test the Domain Name Speed benchmark,
1. Download it from here.
2. Select Nameservers tab and a list of DNS information listed.
3. Select on Run Benchmark button and it is now calculating.
4. Now, you can see the Google DNS is the fastest from my end. Lastly, you may select the Conclusions