Sun.ac.jp is tracked by us since April, 2011. Over the time it has been ranked as high as 200 099 in the world, while most of its traffic comes from Japan, where it reached as high as 12 138 position. It was owned by several entities, from University of Nagasaki to maeda tsukasa of University of Nagasaki, it was hosted by Siebold University of Nagasaki, Future Spirits Co.Ltd. and others.

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