Naming rules
Names are 3 to 63 characters, using letters, numbers and hyphens, and may not start or end with a hyphen. Some names are held back so that nobody can pose as a country, an institution, or a piece of infrastructure.
| Category | Rule | Names |
|---|---|---|
| Country names and codes | Not available | 922 |
| Former country names | Not available | 134 |
| States, provinces and regions | Reserved - may be requested | 6658 |
| Currency codes | Not available | 181 |
| MDU institutions and services | Not available | 95 |
| MDU states and places | Not available | 29 |
| Surillyacom characters and IPs | Not available | 23 |
| Standard role addresses | Not available | 30 |
| Network infrastructure names | Not available | 111 |
| Top-level domain lookalikes | Not available | 20 |
| Well-known brands | Reserved - may be requested | 233 |
| Offensive terms | Not available | 43 |
| Structurally reserved | Not available | 0 |
| Names already in use | Not available | 8 |