SITE.su is an online marketplace specializing in premium domain names, with more than 40,000 domains offered for sale or rent. Its inventory focuses on keyword-based names in the .ru, .su, and .рф zones, including the featured domain prisluzhnik.ru and related names. Customers can browse the full catalogue, download a domain list with available SEO metrics, or use advanced search to find names by criteria and keywords.

The marketplace supports online purchases with immediate transfer of domain administration rights, as well as monthly rentals that let customers assign their own DNS servers. Rental agreements include priority rights to buy the domain at a price fixed in the contract; rental terms can last up to 50 months. Listings show purchase and rental prices, domain age, and a rating based on search statistics and keyword-efficiency indicators. Customers can ask questions or propose a price through the site, with contact and online-chat support available in its help section. SITE.su serves businesses and personal projects seeking a suitable domain for an online presence.