How DNS Resolution Works: From `dig . NS` to Your Browser Loading Google

Every time you type google.com into a browser, something remarkable happens in milliseconds — a global, distributed lookup system translates that human-readable name into a machine-readable IP address. No single server handles this. No central database stores it all. This is DNS , and understanding how it works will make you a sharper developer, a better debugger, and a more informed system designer. In this article, we'll use the dig command to inspect each layer of DNS resolution, building a m