Internet Tip: DNS lookup mechanism…

Fred Stluka
Apr 30, 2021


Internet Tips fans,

This is the 13th in a series of tips on how to do tricky things with URLs.

How does your browser find Web sites like and How many Web sites are there anyhow? Here’s how DNS lookups work, from the 13 top-level “root” servers down to your local DNS server:


(If you’ve been to the page recently, be sure to refresh your browser to see the latest version, dated 4/30/2021.)


— Fred