When I write these sometimes-overly-simplified-articles I'm terrified of explaining something wrong, or that my knowledge may be incorrect on a very specific point.
I really like the way you express "everything is a first class 'thing'", I never thought of it that way.
"As I read articles and tried stuff out (and broke my server config more than once) I started to grasp the system, to get glimpses into how it all worked, until eventually it “clicked” and I felt comfortable working with it."
Have you written about your mental models for DNS? Color me interested!
Out of all the questions my students ask me, there's always confusion about the way servers talk to each other, or what they even are.
I'll definitely write about this now haha. Thank you for the idea :)