1. Categories
| Category | Examples / notes |
|---|---|
| Protocol | exampleinvalidlocalhosttestonionlocal |
| Registry operations | nicwhoisrdapeppregistryregistrarrspidnicdomainwwwmailabusesecuritystatusoteepp-ote |
| Government | Names of state institutions and their abbreviations that could mislead the public. |
| Geographic | Certain province and regency/city names, reserved for the relevant local governments. |
| Offensive | Words generally regarded as obscene, hateful, or inciting. |
| Policy | Labels temporarily held for launch or policy needs. |
The full list is not published to prevent enumeration, and WHOIS does not distinguish reserved names from registered ones. Registrars receive a rejection when trying to register them.
2. Premium names
Very short or high-value names (such as common one-syllable words) may be offered at premium prices. Premium pricing is shown by the registrar when checking availability and may also apply to renewals.
3. Release
The registry may release a reserved name to an entitled party (such as the relevant institution) upon a written request to legal@domain.site.ink, or open it to the public with prior notice.