What is the difference between a name server and a resolver in dns

Both servers work hand in hand - resolvers ask the authoritative name servers. They cannot be used for different purposes - e.

Wiki Wiki. What is authoritative name server? Differences For example, let's say that you would like to open www. Last modified: Cookies help us deliver our services. When you type a website address into your browser address bar, it might seem like magic happens.

In reality, the DNS system makes effortless internet browsing possible. First, your browser connects to a recursive DNS server. There are many thousands of recursive DNS servers in the world.

So it connects to another type of DNS server to continue the search. The second type of DNS server holds a copy of the regional phone book that matches IP addresses with domain names. These are called authoritative DNS servers. Authoritative DNS nameservers are responsible for providing answers to recursive DNS nameservers about where specific websites can be found.

These answers contain important information for each domain, like IP addresses. Like phone books, there are different authoritative DNS servers that cover different regions a company, the local area, your country, etc. No matter what region it covers, an authoritative DNS server performs two important tasks.

First, it stores lists of domain names and their associated IP addresses. Second, it responds to requests from a recursive DNS server the person who needs to look up a number about the correct IP address assigned to a domain name. After getting the answer, the recursive DNS server sends that information back to the computer and browser that requested it. The computer connects to the IP address, and the website loads, leading to a happy user who can go on with their day.

The resolver is a set of dynamic library routines used by applications that need to know machine names. The resolver's function is to resolve users' queries. The resolver queries a name server, which then returns either the requested information or a referral to another server. Once the resolver is configured, a machine can request DNS service from a name server.

The DNS name server uses several files to load its database. The resolver reads this resolv. This resolv.