Otsuma.ed.jp is tracked by us since October, 2012. Over the time it has been ranked as high as 856 199 in the world, while most of its traffic comes from Japan, where it reached as high as 55 736 position. It was owned by several entities, from Its use is ] School Juridical Person Otsuma Gakuin to Ishikawa Rieko of Otsuma Gakuin Educational Institution, it was hosted by Japan Network Information Center, BroadBand Tower Inc. and others.

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