SITE.su is an online marketplace for premium domain names, offering more than 40,000 domains, primarily in the .ru, .su and .рф zones. Customers can browse keyword-based domain names, search by terms or other parameters, and review listings that include purchase and monthly rental prices. The marketplace supports immediate online purchases, with domains transferred to the buyer, as well as rentals set up by assigning the customer’s DNS servers. Some rental arrangements include a guaranteed right to buy the domain later.

SITE.su provides tools to view or download the full domain catalogue, including spreadsheet exports, and lists details such as domain age and ratings for available names. Customers can contact the service through its Help section and online chat, ask questions about a domain, or propose a price. Registration and sign-in are available for users who wish to complete transactions. The catalogue spans a wide range of names, including the featured komody.su, and is intended for individuals and businesses seeking a domain for an online project.