SITE.su is an online marketplace specializing in premium domain names, with more than 40,000 domains available across the .ru, .su, and .рф zones. The store serves businesses, entrepreneurs, and project owners seeking a relevant web address for an online presence. Customers can purchase a domain online with immediate transfer of administration rights or rent one by setting their own DNS servers. Rental agreements include a priority right to buy the domain at a price fixed in the contract, and may last up to 50 months.

The marketplace offers instant purchase and rental options, domain search tools, and listings that can be browsed by matching terms, prefixes, synonyms, or transliterations. Customers can view domain details, including price, age, and search-related indicators, and download a full catalog for further review. SITE.su also provides an online chat and contact options for questions or price offers. Its service combines a large selection of domain names with flexible ways to secure and use them.