How is DNS resolver happening?

Whenever we enter a website’s name like www.wikipedia.com in a browser’s address bar as my sir said as a example, the website opens in front of us in a matter of seconds. But behind this simple operation, there is a complex operation going on in the background known as DNS resolution. Here we will learn about it in detail. What is DNS? DNS stands for Domain Name System. The function of this system is to resolve domain names into IP addresses. Step-By-Step DNS Resolution Process Step 1: User Request The process starts with a user request. When a user enters a domain name in a web browser’s address bar, this process starts. Step 2: Browser and System Cache The web browser checks if it already knows this IP address or not. If it is stored in its cache or system cache, it directly uses it. Step 3: DNS Resolver If it is not stored in cache, it sends a request to a DNS resolver. This resolver is provided by an Internet Service Provider (ISP). This resolver acts as a mediator and finds the IP