Challenge4fun.com is tracked by us since January, 2013. Over the time it has been ranked as high as 2 758 199 in the world, while most of its traffic comes from USA, where it reached as high as 1 268 768 position. All this time it was owned by REDACTED FOR PRIVACY of Super Privacy Service LTD c/o Dynadot, it was hosted by Ministry-of-Defence-Public-IP-Space, DigitalOcean LLC and others. While GODADDY.COM LLC was its first registrar, now it is moved to Dynadot Inc.

Challenge4fun has a mediocre Google pagerank and bad results in terms of Yandex topical citation index. We found that Challenge4fun.com is poorly ‘socialized’ in respect to any social network. According to Siteadvisor and Google safe browsing analytics, Challenge4fun.com is quite a safe domain with no visitor reviews.