SITE.su is an online marketplace specializing in domain names, with a catalog of more than 40,000 names, primarily in the .ru, .su, and .рф zones. The service helps businesses and individuals find domains for websites, brands, and online projects, offering search tools to browse by keyword, related terms, or transliteration. Visitors can view domain details and download the full catalog, including listings with age and search-related indicators.

Customers can purchase domains through an online process, with transfer of domain administration rights, or rent them by assigning their own DNS servers. Rental is priced monthly and includes a contractual priority right to buy the domain during the rental period, at a price fixed in the agreement. Contracts can run for up to 50 months. The website also provides a contact form for questions or price offers, along with help and online chat. SITE.su presents domain options with listed purchase and rental prices, making it possible to compare names and choose an arrangement suited to a project’s needs.