There’s a classic interview question: what happens when you type a URL into the browser? To answer this question, we need to explore how the internet works. In this episode, our first of season 4, we’ll dive into URLs, DNS, basic networking, and how the browser works.

Show Notes * 02:08 Life updates! * 04:19 How much do we know about the internet? * 06:11 Servers * 12:08 DNS lookup * 19:04 Request/Response Cycle * 27:48 TCP/IP * 28:46 The browser * 33:13 Internet history * 36:09 Shoutouts

Resources * How the internet works * Systems Design Episode * Put vs. Post * How the Browser Works

Transcript Here is the transcript for this week's episode.