.best domains

The .best domain is a superlative extension that suits reviews, recommendations, awards, and any brand that wants to claim the top spot. It is popular with comparison and "best of" sites, ranking and rating platforms, portfolios, and marketing campaigns that lead with quality. The word is short, positive, and universally understood, so a .best address is easy to remember and sets an immediate tone of excellence. Registration is open worldwide with no restrictions. For a review site, an awards program, a personal brand, or any business that wants its name to signal being the best at what it does, the extension turns the domain into a confident claim, which is memorable and well suited to content built around recommendation and choice.

.best domain details

Type	Generic Top-Level Domain
Registry	CentralNIC
Registration	$18.00/yr
Renewal	$18.00/yr
WHOIS privacy	Free
DNSSEC	Supported
Registration period	1 to 10 years

Register .best domains with an AI agent

OSIR is an AI-native registrar. Every .best 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 .best domain?: Search for the .best 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 $18.00/yr and includes free WHOIS privacy, DNSSEC, and anycast DNS.
Can I register a .best domain with Claude or ChatGPT?: Yes. OSIR supports the Model Context Protocol (MCP) with 82 tools, so any MCP-compatible AI assistant - including Claude Desktop, Cursor, and Copilot - can search, register, and manage .best domains on your behalf.
What is included with a .best domain registration?: Every .best domain registered through OSIR includes anycast DNS, DNSSEC support, free WHOIS privacy protection, registrar lock, and full API and MCP access. Registration starts at $18.00/yr.
How much does it cost to renew a .best domain?: .best renewal is $18.00/yr through OSIR. Prices include ICANN fees and a 3% or $0.30 processing fee (whichever is greater). There are no hidden fees.