SITE.su is an online marketplace for premium domain names, offering more than 40,000 listings across the .ru, .su, and .рф zones. Customers can browse keyword-based domains and related names, compare available options, and purchase or rent a domain directly through the site. Purchases are completed online, with administration rights transferred immediately, while rental arrangements are set up by assigning the customer’s DNS servers. The marketplace also offers rental agreements that include a priority right to buy the domain during the rental term, with the purchase price fixed in the agreement.

Tools include an expanded search, a full domain-list download, and listings that display information such as asking prices, age, and selected traffic or search indicators. Visitors can submit a question or offer a price for an individual domain, and the site provides help, contact details, and an online chat. SITE.su serves businesses and personal projects seeking a domain name, whether they want to acquire one outright or use it through a monthly rental.