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DNS (Domain Name System)

Networking

The internet’s “phonebook” for website names.

Definition

DNS turns a website name (like example.com) into an IP address so your device can connect.

In plain English The internet’s “phonebook” for website names.

Why this matters

Why it matters: DNS requests can reveal what sites you’re trying to visit, even if the page itself uses HTTPS.

Example

Example: Your device asks DNS where “bestprivacyapps.com” is located.