I'm currently trying to buy a VPS to host some ready-made website I have on my computer.
Can someone please shed light on the significance of each column?
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NS stands for NameServer also called domain name servers (DNS). Domain names like
example.com each have a numeric address called an Internet Protocol (IP) address. They look like
192.0.2.144 and are very user unfriendly. In order to make them friendly for users, we assign names to the numeric IP address and the Name Server converts (resolves) the name to it's IP address. For example, when you type in
www.example.com in your browser, a name server converts the
wwwto the numeric address transparently to the user.
Every domain must have at least one and preferably two name servers (for fault tolerance). The hostname is the name you can assign to the computer. It could be something like
mail.example.com. You probably should use WWW since I'm guessing your trying to host a website.
Your name servers question is simply what name would you like your name servers (DNS) to be called?
domainserver.example.com. NS1 and NS2 are pretty standard names for name servers that people readily recognize, so I'd just leave the names as NS1 and NS2.
Just to clarify, the prefix is simply the first part before the first period from the left. I.e., if the domain server full name is
ns1.example.com, the prefix is
You need a DNS on your host to resolve domain names (and sub-domains). When some one try to access "subdomain.example.com", your DNS that handle "example.com" send you IP of example.com, now you must refer to DNS on that IP, and ask for IP of "subdomain.example.com". For your IP-base case (with no domain and sub domain) it is useless. But in Domain-Base case, sub-domains may be exist, and may be handled on other host/computer (with different IP), so a local DNS is necesarry.
Read this article to have better understand on how DNS works and what's its types What Is Recursive DNS?