SITE.su is an online marketplace for premium domain names, offering a catalog of more than 40,000 domains in the .ru, .su, and .рф zones. Customers can browse listings, search by keywords or other parameters, view domain details, and download the full catalog as an Excel file. The marketplace supports both immediate purchase and rental, with online transactions designed to transfer domain administration rights upon purchase.

Rental is arranged by directing the domain’s DNS servers to the customer’s chosen servers. Rental agreements include a priority right to buy the domain during the contract term, with the purchase price fixed in the agreement; contracts can run for up to 50 months. Listings show purchase and monthly rental prices, along with information such as domain age and a rating based on search-related indicators. Customers can contact the marketplace to ask questions or propose a price, while help, registration, sign-in, and online chat options support the process. The diversclub.ru listing is presented as a domain potentially relevant to diving and leisure projects.