Cpsd.us is tracked by us since April, 2011. Over the time it has been ranked as high as 143 999 in the world, while most of its traffic comes from USA, where it reached as high as 22 847 position. Kingopen.cpsd.us receives less than 1% of its total traffic. All this time it was owned by Kevin Keegan of Cambridge Public Schools, it was hosted by Intrafinity Inc., CloudFlare Inc. and others. While NEUSTAR INC. was its first registrar, now it is moved to .

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