SITE.su is an online marketplace for premium domain names, offering a large selection of keyword-focused domains in the .ru, .su, and .рф zones. The site advertises more than 40,000 domains and lets customers browse listings, search by words or other parameters, and review details such as price, age, and available search statistics. Full domain lists can also be viewed online or downloaded.

Customers can purchase listed domains through an online checkout, with the site describing the transfer as immediate. Domains are also available to rent, including rental arrangements with a guaranteed right to buy. The marketplace explains that renting involves assigning the customer’s DNS servers. Listings display purchase prices and monthly rental rates, and visitors can submit a question or propose a price for a specific domain.

SITE.su also provides account access, help resources, contact information, and online chat. Its services are designed for people and businesses seeking a domain for a website, online project, or brand, with options to buy, rent, or discuss terms directly.