Microsoft MakeCode

DNS and FB down - Class discussion today for APCSP

Timely discussion of DNS servers after Facebook went down yesterday…for our Computer Science Principles class. Here is my doc; hope it helps:
Domain Name Servers and the FB Crash


Ben Eater recently posted a great video on DNS, Internet routing, and why the Facebook service was unreachable for a few hours:

Ben’s brilliant. I love his videos, and he has several wonderful series on computer architecture. If you want a hands-on way of learning how computers actually work, check out his YouTube channel, his website ( ) … and, maybe, buy a kit from him!