DNS is beautiful

Video Description

DNS or Domain Name System, despite its drawbacks, is brilliantly designed for scale. We can learn few lessons from this protocol especially when designing our own apps. This episode of the backend engineering show I go through how DNS works, the pros and the cons and attacks that happened on this system. 0:00 Intro 2:00 Overview DNS 7:40 How DNS works (Details) 15:44 DNS uses UDP 19:30 DNS Poisoning 24:10 is DNS really distributed? 26:30 How Attackers Abuse DNS 30:30 How Chrome overloaded the ROOT servers for 12 years Resources https://blog.apnic.net/2020/08/21/chromiums-impact-on-root-dns-traffic/ https://www.cloudflare.com/learning/dns/what-is-dns/ https://www.cloudflare.com/learning/dns/dns-cache-poisoning/ https://blog.cloudflare.com/sad-dns-explained/ https://medium.com/@alex.birsan/dependency-confusion-4a5d60fec610 Fundamentals of Networking for Effective Backends udemy course (link redirects to udemy with coupon) https://network.husseinnasser.com Fundamentals of Database Engineering udemy course (link redirects to udemy with coupon) https://database.husseinnasser.com Introduction to NGINX (link redirects to udemy with coupon) https://nginx.husseinnasser.com Python on the Backend (link redirects to udemy with coupon) https://python.husseinnasser.com Become a Member on YouTube https://www.youtube.com/channel/UC_ML5xP23TOWKUcc-oAE_Eg/join Arabic Software Engineering Channel https://www.youtube.com/channel/UChWZsjdoRvZ0T9QWZOD6UpA 🔥 Members Only Content https://www.youtube.com/playlist?list=UUMO_ML5xP23TOWKUcc-oAE_Eg 🏭 Backend Engineering Videos in Order https://backend.husseinnasser.com 💾 Database Engineering Videos https://www.youtube.com/playlist?list=PLQnljOFTspQXjD0HOzN7P2tgzu7scWpl2 🎙️Listen to the Backend Engineering Podcast https://husseinnasser.com/podcast Gears and tools used on the Channel (affiliates) 🖼️ Slides and Thumbnail Design Canva https://partner.canva.com/c/2766475/647168/10068 Stay Awesome, Hussein