How DNS Works vs system-design-primer

How do How DNS Works and system-design-primer compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.

Directory details: How DNS Works and system-design-primer
Directory detail	How DNS Works	system-design-primer
What it is	How DNS Works explains the Domain Name System through an illustrated guide, with updates and history.	The system design primer explains large-scale system design and includes interview preparation material and Anki flashcards.
Website	howdns.works	github.com/donnemartin/system-design-primer
Type	Website	Open-source project
Topic	Learn to Code	Learn to Code
Pricing	Not confirmed	Not confirmed
Platforms	Web	Not recorded
Open source	Not stated	Not stated
Language	—	English
Alternatives	18 alternatives	24 alternatives