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DNS what is it?

DNS stands for Domain Name System.

DNS stands for Domain Name System. It is a system that is used to translate human-friendly domain names, such as, into IP addresses, which are the numerical addresses that computers use to identify each other on a network.

When you type a website name into your browser, your computer sends a request to a DNS server to resolve the domain name into an IP address. The DNS server responds with the IP address of the server hosting the website, allowing your computer to establish a connection and retrieve the website.

DNS servers are organized in a hierarchical structure, with the top level being the "root" servers. These servers contain information about the top-level domains (TLDs) such as .com, .org, .edu, and so on. Each TLD is then managed by a set of authoritative name servers that hold information about the domain names within that TLD.

DNS enables the use of domain names, which are much easier to remember and type than IP addresses. It is a critical component of the internet infrastructure, without DNS the internet as we know it would not be possible.

DNS is also used for other purposes such as email routing, security and load balancing. It's important to note that DNS can also be used to conceal the actual IP addresses of a website by using techniques such as DNS masking and DNS redirection.

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