Checking if a user owns a domain
The technique we’re using is the one used by Google, Microsoft and others to verify that you've got some authority over a domain.
Using your domain
So you’ve read part 1, and you’ve bought yourself a domain. Now you need to actually do something with it.
Domains - what are they?
Before we can answer the question “what is a domain”, we need to talk about the Domain Name System, DNS for short.