DNS Deep Dive
Visualizing the Domain Name System. From recursion to records. Understand how the internet works.
View Guide →Don’t just read — play, visualize, practice, and simulate.
Learn IT in a brain-friendly way —
your way.
Choose how YOU want to learn. Browse our full collection by format.
Deep-dive guides with diagrams, analogies, and step-by-step explanations.
Explore Visuals →Your professional toolkit. Quick references for commands, ports & protocols.
Get Sheets →Validate your skills. Test yourself with MCQs, fill-in-blanks, and exercises to test your knowledge.
Take Quiz →Animated simulations that explain complex processes visually.
Start Sim →Level up your speed. Arcade-style challenges to build critical muscle memory.
Play Games →Never forget a port again. Spaced repetition for rapid memorization.
Start Flip →Deep dive by doing. Learn, Test, and Evaluate in one seamless flow.
Start Layers →Tech narratives that stick. Master abstract concepts through real-world analogies.
Read Stories →The technology stack you will master across all learning modes.
Pillar content to get you started. High-impact visual guides from our Networking series.
Visualizing the Domain Name System. From recursion to records. Understand how the internet works.
View Guide →The 7 Layers explained comprehensively with real-world analogies. The foundation of networking.
View Guide →The definitive visual guide to TCP/UDP ports and common protocols. Essential for security.
View Guide →Stop guessing. Master IP addressing, CIDR notation, and subnet masks visually.
View Guide →Remove paralysis. Choose your current situation to find the best entry point.
Start here to build your mental models from scratch.
Visuals + Stories →Reinforce your memory with active recall techniques.
Cheatsheets + Flashcards →Test yourself with hard scenarios and labs.
Practice + Simulations →The V-P-A-R Loop. Learning isn’t about consuming more content — it’s about using the right method at the right time.
See the idea. Form a mental model before memorizing details.
Understanding becomes skill only when you do the task yourself.
Use what you learned in a slightly different context.
Memory fades. Short, repeated recall beats long study sessions.
💡 Insight: Watching more tutorials feels productive — but doing, recalling, and revisiting is what builds skill.
Designed to solve the specific pain points of modern self-taught engineers.
Not just one format. Use visuals, stories, and games to attack the concept from all angles.
No rabbit holes. Navigation is strict, hierarchical, and designed to keep you oriented.
Break servers in our simulations so you don't break them in production.
5 minutes or 50 minutes. Content is chunked for modern attention spans.