SITE.su is an online marketplace specializing in premium domain names for businesses, projects, and individuals. Its catalog features tens of thousands of domains in the .ru, .su, and .рф zones, including keyword-based names, transliterations, and related variations. Customers can browse listings, search by terms or other criteria, and view a downloadable catalog.

The marketplace offers both instant purchase and domain rental. Buyers can complete an online purchase with immediate domain transfer, while rental is arranged by assigning the customer’s DNS servers. The site also describes rental options with a guaranteed right to buy, giving customers a route to ownership. Each listing provides pricing for purchase and rental, and some include details such as domain age and search-related statistics.

For customers who want to discuss a listing or propose a different price, SITE.su provides a contact form and online chat through its Help section. The platform also offers account registration and sign-in for users managing their domain searches and transactions.