SITE.su is an online marketplace for premium domain names, offering more than 40,000 domains, primarily in the .ru, .su, and .рф extensions. Customers can browse and search for keyword-focused names, view pricing and available domain information, and choose a purchase or rental option. The service supports immediate online purchases with domain transfer, as well as rentals arranged by assigning the customer’s DNS servers. Rental agreements include a guaranteed right to buy the domain, giving users a path from temporary use to ownership.

SITE.su provides tools to explore its inventory, including an extended search, a full domain list, and downloadable listings in Excel. Search results may include matching names, related synonyms, translations, and transliterations, helping customers discover alternatives for a brand, business, or personal project. Buyers can place an order through the online cart, while those seeking a different price can contact the seller to ask a question or make an offer. Assistance is available through the site’s Help section and online chat.