4ydj.com is tracked by us since August, 2017. Over the time it has been ranked as high as 141 987 in the world, while most of its traffic comes from Japan, where it reached as high as 5 792 position. It was owned by several entities, from Nexperian Holding Limited of Nexperian Holding Limited to Liang Wei Chang of Liang Wei Chang, it was hosted by HONGKONG CLOUD NETWORK TECHNOLOGY CO. LIMITED, Shenzhen Qianhai bird cloud computing Co. Ltd. and others. While HiChina Zhicheng Technology Ltd. was its first registrar, now it is moved to Alibaba Cloud Computing Ltd. d/b/a HiChina (www.net.cn).

4ydj has the lowest Google pagerank and bad results in terms of Yandex topical citation index. We found that 4ydj.com is poorly ‘socialized’ in respect to any social network. According to Siteadvisor and Google safe browsing analytics, 4ydj.com is quite a safe domain with no visitor reviews.