Domain Extensions / .fun
.fun domains
A .fun domain is a generic top-level domain operated by Radix. It supports registrations from 1 to 10 years. Free WHOIS privacy is included on every registration.
.fun domain details
| Type | Generic Top-Level Domain |
| Registry | Radix |
| Registration | $30.00/yr |
| Renewal | $30.00/yr |
| WHOIS privacy | Free |
| DNSSEC | Supported |
| Registration period | 1 to 10 years |
Register .fun domains with an AI agent
OSIR is an AI-native registrar. Every .fun domain can be registered, renewed, and managed through natural language using Claude, ChatGPT, or any agent that supports the Model Context Protocol (MCP).
Frequently asked questions
- How do I register a .fun domain?
- Search for the .fun name you want, confirm it is available, and complete checkout - or ask an MCP-compatible AI assistant to do it for you. Registration through OSIR starts at $30.00/yr and includes free WHOIS privacy, DNSSEC, and anycast DNS.
- Can I register a .fun domain with Claude or ChatGPT?
- Yes. OSIR supports the Model Context Protocol (MCP) with 74 tools, so any MCP-compatible AI assistant - including Claude Desktop, Cursor, and Copilot - can search, register, and manage .fun domains on your behalf.
- What is included with a .fun domain registration?
- Every .fun domain registered through OSIR includes anycast DNS, DNSSEC support, free WHOIS privacy protection, registrar lock, and full API and MCP access. Registration starts at $30.00/yr.
- How much does it cost to renew a .fun domain?
- .fun renewal is $30.00/yr through OSIR. Prices include ICANN fees and a 3% or $0.30 processing fee (whichever is greater). There are no hidden fees.