Sk.ru is tracked by us since May, 2012. Over the time it has been ranked as high as 62 849 in the world, while most of its traffic comes from Russian Federation, where it reached as high as 2 355 position. Cuc.sk.ru receives less than 5.31% of its total traffic. It was owned by several entities, from Non-Profit Organization - Fund for Development of the Center for Elaboration and Commercialization of New Technologies to Fund for Development of the Center for Elaboration and Commercialization of New Technologies While RUCENTER-REG-RIPN was its first registrar, now it is moved to RU-CENTER-RU.

Cuc.sk has the lowest Google pagerank and bad results in terms of Yandex topical citation index. We found that Cuc.sk.ru is poorly ‘socialized’ in respect to any social network. According to MyWot, Siteadvisor and Google safe browsing analytics, Cuc.sk.ru is quite a safe domain with no visitor reviews.