An interactive explainer

Your browser has no idea where Google lives.

Every page you've ever visited began with the same quiet question: where is this, actually? Follow one DNS lookup through caches, root servers, and registries — pause it, scrub it, and break its assumptions on the way.

DNS · Name resolution · Caching and TTLs

Networking · Beginner · 8 min · How the internet finds google.com — an interactive explainer on ViLearn, with a simulation and a knowledge check. All explainers.

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