SITE.su is an online marketplace specializing in premium domain names, offering a catalog of more than 40,000 domains across the .ru, .su, and .рф zones. Customers can browse names matching keywords or themes, use advanced search options, and view or download the full domain list. Listings include purchase and monthly rental prices, with additional information such as domain age and selected rating or search statistics.

The marketplace supports both immediate online purchases and domain rentals. According to the site, purchased domains are transferred instantly, while rental involves assigning the customer’s DNS servers. Rental agreements also include a guaranteed right to buy the domain. Customers can contact the team to ask questions about a listing or propose a price, and the site provides a help section with contact details and online chat. SITE.su presents its service as a convenient way for businesses and online projects to find and secure domain names suited to their needs.