DNS Lookup Guide — How DNS Works and How to Look Up Records

Learn how DNS works and how to look up DNS records including A, AAAA, CNAME, MX, NS, and TXT records.

What is DNS?

DNS (Domain Name System) translates human-readable domain names like example.com into IP addresses that computers use to communicate.

DNS records include: A (IPv4 address), AAAA (IPv6), CNAME (alias), MX (mail server), NS (name server), and TXT (text records for verification).