SITE.su is an online marketplace for premium domain names, offering a catalogue of more than 39,000 domains, including keyword-based names in the .ru, .su, and .рф zones. Customers can purchase domains online or rent them, with rental arrangements that include a guaranteed right to buy. The site says purchases are completed with instant domain transfer, while rental involves assigning the customer’s DNS servers.

The marketplace provides tools to browse its full domain inventory, search by keywords or other parameters, and download a complete list for review. Listings display purchase and monthly rental prices, and may include details such as domain age and search-related figures. Customers can add a domain to a purchase or rental cart for an immediate transaction, or contact the seller with a question or price offer. Registration, account access, help, and online chat are also available through the site. SITE.su serves individuals and businesses seeking a domain for a website, business, or personal project, with options ranging from short names to themed and transliterated domains.