SITE.su is an online marketplace for premium domain names, offering a selection of more than 40,000 domains, primarily in the .ru, .su and .рф zones. The service helps businesses and individuals find names for websites, brands and online projects, with listings searchable by keywords and other parameters. Visitors can browse the full catalogue, download a domain list, and review details such as price, age and available rating data.

Domains can be purchased online with immediate transfer or rented by assigning the customer’s DNS servers. Some rental arrangements include a guaranteed right to buy the domain later. The marketplace displays purchase prices and monthly rental rates, and customers can contact the seller through an online form to ask questions or make an offer. SITE.su also provides account access and a help section for users who need assistance. Its mix of search tools, listing information and flexible acquisition options is designed to make it easier to select and secure a suitable domain name.