Guides3 min read
What is DNS? How Domain Names Work
Learn how the Domain Name System (DNS) translates human-readable domain names into IP addresses, and why it's the phonebook of the internet.
TraceThatIP guides
Guides & articles
Plain-English guides to IP addresses, DNS, subnets, VPNs and online privacy, plus code examples for finding your IP with cURL, Python and JavaScript.
Filtered by February 2026
Published in February 2026
3 articles
Networking7 min read
How Accurate Is IP Geolocation?
Learn how IP geolocation databases work and how accurate they really are. Covers accuracy by level, what affects precision, and real-world testing results.
Guides3 min read
What is a Subnet Mask? Subnetting Explained
A beginner-friendly guide to subnet masks, CIDR notation, and how networks are divided into smaller, manageable subnets.
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