What is DNS and what are Name Servers?
DNS Name Servers are what translate domain names that humans can relate to [like yahoo.com] into numeric addresses known as IP addresses [66.218.71.198] that the computers use to communicate with one another on the Internet. An IP address is very much like a street address on the Internet. If you want to contact your ISP for their/your most immediate name servers, make absolutely sure the person you speak to fully understands that you need the “Primary and Secondary DNS Name Servers” that they are running for you. These are often named along a loose convention of ns.domain.com but there’s so much “creativity run amok” out there that all kinds of naming including things as far from that as bigguy.domain.com and littleguy.domain.com have been seen so it’s impossible to rely on any naming convention with any certainty. IF IN DOUBT: Use the Selection dropdowns right under the Primary and Secondary Name Server fields to select two valid, different servers – We suggest the one regionally clo