SITE.su is an online marketplace specializing in premium domain names, with more than 40,000 domains available across the .ru, .su and .рф zones. The service helps businesses and individuals find an address for a website or online project, offering both immediate purchase and domain rental. Purchases are completed online with immediate transfer of domain administration rights. Rental allows customers to assign their own name servers, and the rental agreement provides a priority right to buy the domain at a price fixed in the contract. Agreements can last up to 50 months.

Customers can browse the full domain inventory, download a list of names, or use advanced search to find domains by specific criteria. Listings include purchase and monthly rental prices, along with information such as domain age and search-related indicators. Visitors may also submit a question about a domain or propose a price, with contact options and online chat available in the Help section. SITE.su presents domain acquisition and rental as flexible options for establishing an online presence.