Domain Name System

.example.org — Main Hierarchy

.example.biz — Commercial Hierarchy

.example.net — Network Services Hierarchy

.example.lan — Intranet Hierarchy

{ 10.0.0.0/8 }

{ 172.16.0.0/12 }

{ fcxx:xxxx:xxxx:nnnn:0000:0000:0000:0000/7 }

{ fcyy:yyyy:yyyy:nnnn:0000:0000:0000:0000/7 }

.local— End User Hierarchy

{ 169.254.0.0/16 }

{ 192.168.0.0/16 }

.example.onion, .example.tor — Darknet Domain Hierarchy