Implement DNS in a weekend
Implement DNS in a weekend¶ Hello! Our goal here is to implement a toy DNS resolver. What’s a DNS resolver? It’s a program that knows how to figure out what the IP address for a domain is. Here’s what the command line interface of the resolver we’re going to write looks like: The whole thing is about 200 lines of Python, including implementing all of the binary DNS parsing from scratch. This proje
Introducing "Implement DNS in a Weekend"
May 12, 2023 Hello! I’m excited to announce a project I’ve been working on for a long time: a free guide to implementing your own DNS resolver in a weekend. The whole thing is about 200 lines of Python, including implementing all of the binary DNS parsing from scratch. Here’s the link: This project is a fun way to learn: How to parse a binary network protocol like DNS How DNS works behind the scen
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