Owl the Engineer

How it actually works

The engineering questions you get asked, and the bugs you actually hit. Drawn, one mechanism at a time, in the order the videos ship.

/

Backend

How DNS actually works: nobody has the whole list

Four servers, three of which have never heard of the name you asked for, and a cache so you never do it twice — the referral chain in real dig output, plus the CNAME rule that breaks your apex.

8 Sept 2026 views0 Read the post →

Backend

What happens when you type a URL

Five negotiations run between Enter and the first pixel, and the one nearly every answer skips is that an address and a connection are different things.

8 Sept 2026 views0 Read the post →