O3.ru is tracked by us since April, 2011. Over the time it has been ranked as high as 1 419 in the world, while most of its traffic comes from Russian Federation, where it reached as high as 44 position. It was owned by several entities, from OOO "Internet Solutions" to LLC "Internet Solutions", it was hosted by 125080 Russia Moscow, Data-center Network in Zone1 and others. While RUCENTER-REG-RIPN was its first registrar, now it is moved to RU-CENTER-RU.

O3 has a high Google pagerank and bad results in terms of Yandex topical citation index. We found that O3.ru is poorly ‘socialized’ in respect to any social network. According to MyWot and Google safe browsing analytics, O3.ru is a fully trustworthy domain with no visitor reviews.