SITE.su is an online marketplace for premium domain names, offering more than 39,000 domains across the .ru, .su, and .рф extensions. The service helps businesses and individuals find memorable, keyword-focused domain names for websites and online projects. Customers can browse listings, search by words or themes, use advanced search filters, and view domains grouped by matching terms, synonyms, or translations. A full domain list is also available to view or download.

SITE.su offers two acquisition options: immediate online purchase with domain transfer, or monthly rental by assigning the customer’s DNS servers. Rental agreements include a guaranteed right to buy the domain, providing a lower-cost way to use a desired name before purchasing it. Listings display prices and may include details such as domain age and ratings. Interested buyers can submit questions or offers through the site, while assistance and online chat are available in the Help section. The marketplace is designed to make discovering, comparing, and securing domain names straightforward.