DNS Hierarchy and the Internet (System Administration Guide: Naming and Directory Services (DNS, NIS, and LDAP))
Introduction to the Domain Name System (DNS) | Opensource.com
Naming scheme
DNS 101: An introduction to Domain Name Servers | Enable Sysadmin
The TCP/IP Guide - DNS Organizational (Generic) Top Level Domains and Authorities
domain name system (DNS) :: ITWissen.info
Chapter 4. introduction to DNS
What is DNS (Domain Name System)?
The TCP/IP Guide - DNS Structural Elements and Terminology: Domains, Subdomains, and Nodes; Roots, Leaves and Branches; Parents, Children and Siblings
DNS root server | Cloudflare
Domain Name System (DNS) in Application Layer - GeeksforGeeks
Top-level domain nameservers | Managing Mission - Critical Domains and DNS
Introduction to DNS
Top-level domain nameservers | Managing Mission - Critical Domains and DNS
Fully qualified domain name - Wikipedia
What is a DNS root server and what do they do? - Quora
What are root name servers? | Netnod
How does DNS Work? | ITGeared
A Complete Guide to Generic Top-Level Domain
OpenBSD as a domain name server - The Domain Name System
How to manage your domain and its DNS configuration in a website migration - Human Level
DNS - Domain Name System · Pentesting Handbook
