How dns works step by step pdf

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  • How dns works in networking

    • What is dns.

    How DNS Works Step by Step?

    Answer: DNS stands for Domain Name System and is the important element of internet that is used to match the domain names provided by users to a IP address of that domain.

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    Below is the working of DNS

    Step 1: Query from client to DNS Server

    When the client sends the request with the target domain name, the browser finds the website that is connected to the given domain name that will match the respective IP address.

    Step 2: Translate the domain name to IP address

    Recursive DNS server is the first place where the searches made by client are being translated into IP address. For this the resolver makes connections with various servers to get the correct answer .

    Step 3: Search for the query using Root Name Servers

    If the recursive servers don't get any answers for the query, the work to get the query is done by the root servers.

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    • Root servers are the servers that can answer to any IP address related queries.

    Step 4: Search for the query using TLD server

    For searching the IP at next level Top Level Domain( TLD) servers are used. Recursive serve

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