SITE.su is an online marketplace for premium domain names, offering more than 40,000 domains across the .ru, .su and .рф zones. The service enables customers to purchase domains outright or rent them, with listings searchable by keyword and other parameters. Visitors can browse the full catalogue online or download a domain list in Excel format.

Purchases are completed online, with domain administration rights transferred immediately. For rentals, customers assign their own DNS servers and pay a monthly fee. Rental agreements include a priority right to buy the domain during the agreement period, with the purchase price fixed in the contract; rental terms can last up to 50 months. The marketplace also provides domain details such as age and search-related rating information, helping customers assess listings. Buyers can ask questions or propose a price, and support is available through the Help section, including online chat and contact options. SITE.su serves businesses and individuals seeking memorable domain names for websites, online projects, or business presence.