SITE.su is an online marketplace specializing in domain names, offering a catalog of more than 40,000 names, including keyword domains in the .ru, .su, and .рф zones. Customers can purchase a domain or rent it, with rental options described as including a guaranteed right to buy. The service supports instant online purchases and domain transfer, while renting is arranged by assigning the customer’s DNS servers.

Visitors can search by one or several words, use advanced search filters, browse the full domain inventory, or download a complete list in Excel format. Listings include purchase and monthly rental prices, and selected domains also display details such as age, rating, and search-related figures. For customers who want to negotiate, the site provides a question form for contacting the domain owner and proposing a price. Help and online chat are available through the support section, and users can create an account or sign in to manage their activity. Overall, SITE.su brings domain discovery, pricing, purchase, and rental options together in one marketplace.