Digging DNS
This site is an ever growing and updated collection of everything I have ever learned or wish someone had told me about domain names. You will find a bit of everything here, including:
- Basics of domain names
- How the industry works
- Investigating domain names
- Combating DNS abuse
- Rants on why things are the way they are
Updated as I have free time/think of things/people make suggestions.
Basics
Understanding Effective TLDs (eTLDs) and the Public Suffix List
Master the nuance of the eTLD, and the internet becomes much easier to understand.
A Glossary of Common Domain Name & Internet Terminology
Defining key terms related to domain names, DNS, and internet infrastructure to help you build your understanding.

Anatomy of a Domain
A good place to start to understand the different parts of a domain name.
An Introduction to WHOIS
WHOIS - the protocol that used to be a goldmine of personal data.

ICANN, IANA, Registries & Registrars
The four major entities behind domain names.