The Domain Name System is the internet’s address directory. Its records tell browsers and other services where a domain’s website, email, and connected tools should go. Beginners usually encounter DNS when connecting a domain to hosting, setting up email, verifying a tool, or fixing a website that is not pointing to the right place.
How DNS Works
DNS translates human-friendly domain names into the technical information computers use to locate services. Its records can direct web traffic, email, verification requests, subdomains, and other services to the correct destinations.
Simple Example
You add a verification record to DNS so an email provider can confirm that you control the domain.
Why It Matters for Beginners
This matters because DNS controls where important internet services go. A small change can affect the website, email, verification, or subdomains, so changes should be deliberate and documented.
A Common Mistake
Changing several records at once without documenting the original configuration.
Related Terms
- Domain Name
- Nameserver
- A Record
- CNAME Record
- HTTPS
- Hosting