Obs.ru is tracked by us since January, 2013. Over the time it has been ranked as high as 1 261 499 in the world, while most of its traffic comes from Russian Federation, where it reached as high as 58 844 position. Vkurse.obs.ru receives less than 1% of its total traffic. It was owned by several entities, from Open Business School Ltd. to Open Business School LLC, it was hosted by Nevacom Ltd, Smart Telecom Company network and others. While RUCENTER-REG-RIPN was its first registrar, now it is moved to REGRU-RU.

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