SITE.su is an online marketplace specializing in premium domain names, with a catalog of more than 40,000 domains, including keyword-based names in the .ru, .su, and .рф zones. The service enables customers to buy domains online or rent them, offering immediate purchase and transfer as well as rental through assignment of the customer’s DNS servers. Some rentals include a guaranteed right to buy the domain later.

Visitors can browse the full domain list, download a catalog with available metrics, or use advanced search to find names by keyword and other parameters. Listings display purchase and monthly rental prices, and may include domain age and search or ranking indicators. Customers can also contact the marketplace to ask questions or submit an offer, with support and online chat available through the Help section. The site provides account registration and sign-in for users who want to manage their activity. SITE.su presents its selection as a resource for businesses and personal projects seeking a suitable web address, with both immediate acquisition and rental options.