Challengestar.jp is tracked by us since March, 2013. Over the time it has been ranked as high as 398 099 in the world, while most of its traffic comes from Japan, where it reached as high as 163 117 position. It was owned by several entities, from MAKOTO to (Not displayed by registrant's request), it was hosted by SAKURA Internet Inc., SAKURA Internet Inc. and others.

Challengestar has a decent Google pagerank and bad results in terms of Yandex topical citation index. We found that Challengestar.jp is moderately ‘socialized’ in respect to Facebook shares (5.93K), Twitter mentions (2) and Google+ shares (1). According to Google safe browsing analytics, Challengestar.jp is quite a safe domain with no visitor reviews.