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What is the well-known port address number used by dns to serve requests?

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What is the well-known port address number used by dns to serve requests? Select the correct answer from above options

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DNS primarily uses the User Datagram Protocol (UDP) on port number 53. DNS stands for Domain Name system and can be called the phonebook of internet in simple terms. Domain Name Servers, means, DNS has a sole purpose of translating domain names to IP addresses so that browsers can load internet resources.

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