SITE.su is an online marketplace for premium domain names, offering a catalog of more than 39,000 domains, primarily in the .ru, .su, and .рф zones. Customers can browse and search for names by keyword, spelling, transliteration, and related terms, or use advanced search options to explore the available listings. The site also provides full catalog downloads, including domain information such as age and rating.

Domains are available for immediate purchase or monthly rental. A purchase is completed online with prompt transfer of domain administration rights. Renting involves assigning the customer’s DNS servers and includes a contractual priority right to buy the domain during the rental period, with the purchase price fixed in the agreement. Rental agreements can last up to 50 months.

SITE.su displays purchase and rental prices for individual listings and invites customers to ask questions or propose an offer. Help resources, contact details, and an online chat are available for assistance. The marketplace serves businesses and individuals seeking a domain for a website, project, or online presence.