SITE.su is an online marketplace for premium domain names, offering a catalog of around 40,000 domains in the .ru, .su, and .рф extensions. Customers can browse listings, search by keywords or other parameters, and download the full domain list in Excel format. The marketplace supports both immediate online purchases, with instant domain transfer, and rentals, which are arranged by assigning the customer’s DNS servers. Rental listings may include a guaranteed right to buy the domain later.

SITE.su presents domain details such as purchase and monthly rental prices, age, and selected traffic or search indicators. Visitors can submit questions or propose a price for a specific name, with contacts and online chat available through the help section. The catalog includes names across varied subjects and formats, including Latin-character and Cyrillic domains. Its services are designed for individuals and businesses seeking a domain for an online project, whether they want to acquire a name outright or use it through a rental arrangement.