SITE.su is an online marketplace specializing in premium domain names, with a catalog of more than 40,000 domains in the .ru, .su, and .рф zones. The service helps businesses and individuals find a memorable web address, offering domains for immediate online purchase or monthly rental. Purchases include an instant transfer of domain administration rights. Rental provides the right to change the domain’s DNS servers and includes a contractual priority option to buy the domain during the rental period, at a price fixed in the agreement. Rental terms can last up to 50 months.

Visitors can browse the full domain catalog, download a spreadsheet, or use advanced search to explore names by keyword and related terms. Listings show purchase and rental prices, alongside available details such as domain age and search statistics. Customers can submit questions or price offers through the site, with contact and online chat available in the Help section. SITE.su presents domain acquisition and rental as flexible ways to secure an online identity for a business or project.