As an internet user, here are the series of happenings that occur when you are browsing a website: As soon as you typed in the website’s URL, a “requester” accepts your query and hurries to the DNS Root Servers to begin the process of bringing up the requested website to your view. The Root Servers then connect with the Top-level Domain (TLD) name servers and pass the query down the line until your requested website appears.
So, what is the requester in this circumstance?
On most occasions, the requester will be referred to as "resolving name server". A resolving name server has been configured, mostly by Internet Service Providers (ISPs) to ask other servers questions. It is considered to be a vital intermediary server for a user and it utilizes the answers to previous queries to improve speed. Resolving Name Servers understand the addresses of the Root Servers and push the queries across to them to instigate the “resolutions” of the requests. In other words, the Root Servers may not realize what queries needed being resolved if the Resolver Name Servers had not, in the first place, reached out to the Root Servers.
Internet users usually have some resolving name servers configured on their computer system. As explained above, most of the resolving name servers are mainly provided by an ISP or other organizations. Google, for example, provides resolving DNS servers that can act as your “requester” and convey your queries to the Root Servers. The Resolving Name Servers can be either configured in your computer manually or automatically. Whichever approach you want to take, make sure you seek help from technical experts.
Here is how the resolving name server works magic: When you input a URL in the address bar of your browser, your computer, at first, scours local servers to retrieve the requested information or content. It does this by checking the "hosts" file on the computer and some other locations. If unsuccessful, it then passes the request across to the resolving name server and waits back to obtain the IP address of the website or content.
The resolving name server will, first of all, check its cache memory for the answer. If it couldn’t locate it, it would then go through the steps described above.
One great attribute of the Resolving Name Servers is that it speeds up the requesting process for the end user, and promptly bring up the requested resource or content. All you need to do to have an exciting internet experience is to just ask the resolving name servers where the resource or content you are looking for is located. You should be rest assured that the Resolving Name Servers will do their jobs and bring up your requested content in no time.
It is true to say that the speed of your internet depends on the quality and functionality of your already configured Resolving Name Servers. It is advisable that you use the services of an Internet Service Provider (ISP) that has better and faster “requester”.