CYBERSECURITY & VPN
What is a DNS lookup?
DNS (Domain Name System) turns names like unitzaro.com into IP addresses that computers use.
What is a DNS lookup?
DNS (Domain Name System) turns names like unitzaro.com into IP addresses that computers use.
- A record: points a domain to an IPv4 address; AAAA does the same for IPv6.
- CNAME: makes one name an alias of another.
- MX: tells the world which servers receive email for the domain.
- TXT: stores text such as SPF, DKIM and site verification codes.
- DNS changes can take minutes to 48 hours to spread (propagation).
This guide is for general information. Always verify important decisions with an official or professional source.