DNS resolves domain names to IP addresses from "summary" of Computer Networking Beginners Guide by Russell Scott
DNS, or Domain Name System, is a crucial component of the internet that serves as a sort of phone book for the web. When you type in a website address, such as www. google. com, your computer needs to know the corresponding IP address in order to connect to the correct server. This is where DNS comes into play. Essentially, DNS acts as a translator between the human-readable domain names that we use to navigate the internet and the machine-readable IP addresses that computers use to communicate with each other. When you type in a domain name, your computer sends a request to a DNS server to look up the corresponding IP address. The DNS server then searches its database, which contains a vast amount of information mapping domain names to IP addresses. Once the DNS server finds the correct IP address, it sends this information back to your computer, allowing it to establish a connection with the desired website. This process may seem simple, but it is essential for the functioning of the internet as we know it. Without DNS, we would have to remember and manually enter long strings of numbers for every website we wanted to visit, which would be incredibly cumbersome and impractical. DNS simplifies this process by providing a convenient way to translate domain names into IP addresses seamlessly.- DNS plays a crucial role in enabling us to navigate the vast expanse of the internet with ease. It acts as a translator between domain names and IP addresses, allowing our computers to connect to the correct servers effortlessly.
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