Answer :
Final answer:
The well-known port number for DNS is 53, which is used to translate domain names into IP addresses.
Explanation:
The well-known port address number used by the Domain Name System (DNS) to serve requests is 53. This protocol operates over the Internet and is responsible for translating human-friendly domain names into their respective IP addresses. When you enter a website address into your browser, a DNS server using port 53 will be queried to resolve the address to its IP so your browser can load the website.
