SITE.su is an online marketplace specializing in premium domain names, with more than 39,000 listings across the .ru, .su and .рф extensions. It enables customers to buy domains online with immediate transfer or rent them by assigning their own DNS servers. Rental options can include a guaranteed right to purchase, giving buyers flexibility as they develop a website or online business.

The marketplace offers instant purchase and rental through listing controls, along with an extended search to help users find domains by words or other criteria. Visitors can view or download the full domain catalogue, including available information such as age and ratings. Listings show purchase prices and monthly rental rates, and customers can contact the seller through an online question form to discuss a domain or propose another price. Contact details are required for enquiries, and help and online chat are available through the site’s Help section. The catalogue includes keyword domains, transliterations and Russian-language names, giving individuals and businesses a range of options for establishing an online address.