SITE.su is an online marketplace specializing in premium domain names, offering more than 40,000 domains across the .ru, .su and .рф zones. Its services are designed for individuals and businesses seeking a domain for a website, brand or online project. Customers can browse available names, search by keywords or other criteria, view a complete domain list, and download listings with metrics in Excel format.

Domains can be purchased online, with administrative rights transferred to the buyer, or rented by the month. Rental allows customers to assign their own DNS servers and includes a priority right to purchase the domain during the agreement; the buyout price is fixed in the contract. Rental agreements can last up to 50 months. The marketplace provides domain details such as age and search-related ratings to help customers compare options. Customers can submit questions or offers on individual domains, while support and online chat are available through the Help section. SITE.su presents domain selection, purchase and rental in one place.