Question 1

What is DNS?

Accepted Answer

DNS (Domain Name System) is a hierarchical and distributed naming system that translates human-readable domain names into IP addresses, making it easier to access websites and other internet resources.

Question 2

How does DNS work?

Accepted Answer

DNS works by converting domain names into IP addresses through a distributed database system. When you enter a domain name, DNS servers look up the corresponding IP address and direct your request to the correct server.

Question 3

What are the main components of DNS?

Accepted Answer

The main components include DNS servers (root, TLD, and authoritative), DNS records (A, AAAA, CNAME, MX, etc.), and DNS resolvers that work together to provide domain name resolution.

Question 4

Why is DNS important?

Accepted Answer

DNS is crucial for internet functionality as it provides a user-friendly way to access websites and services without needing to remember complex IP addresses. It also enables load balancing, email routing, and other essential internet services.

Question 5

What are common DNS record types?

Accepted Answer

Common DNS record types include A records (IPv4 addresses), AAAA records (IPv6 addresses), CNAME records (aliases), MX records (mail servers), and TXT records (text information).

DNS

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