SITE.su is an online marketplace specializing in premium domain names. Its catalog includes more than 40,000 domains, primarily in the .ru, .su, and .рф zones, with options for both immediate purchase and rental. Customers can browse available names, search by keywords or other parameters, review listed prices and domain information, and download the full catalog as an Excel file.

The marketplace supports online purchases with immediate domain transfer and rentals through the assignment of the customer’s DNS servers. Rental agreements can include a guaranteed right to buy the domain, and customers may submit questions or propose a price through the site’s contact form or online chat. The catalog ranges from individual keyword domains to names related to specific terms and transliterations. Listings display purchase and monthly rental prices, and some also provide age and rating information. SITE.su offers a practical way for businesses and personal projects to find, rent, or acquire domain names for use in Russian-language web markets.