Distribution is calculated from the top million websites on the internet. See the FAQ for more information. Last calculated on May 09 2013. Scroll down for distribution in top million, top 100,000 sites and top 10,000 sites.
Name Server Distribution in Top Million Sites
Name Server Distribution in Top 100,000 Sites
Name Server Distribution in Top 10,000 Sites
Name Server Information
Authoritative name servers are the servers that are responsbile for giving DNS related information about specific names in a zone file. Every web site domain name that is active and
accessible on the internet requires one but typically at least two nameservers that provide information about the domain name, which includes the IP address of the server where the website content can be requested.