21dnn.com is tracked by us since April, 2011. Over the time it has been ranked as high as 899 in the world, while most of its traffic comes from China, where it reached as high as 101 position. It was owned by several entities, from organization beijing 21dnn co.ltd. Name : Beijing 21dnn Co.Ltd. to REDACTED FOR PRIVACY of REDACTED FOR PRIVACY, it was hosted by CHINANET TIANJIN PROVINCE NETWORK, CNC Group CHINA169 Shan1xi Province Network and others. While XIN NET TECHNOLOGY CORPORATION was its first registrar, now it is moved to Xin Net Technology Corporation.

21dnn has a supreme Google pagerank and bad results in terms of Yandex topical citation index. We found that 21dnn.com is poorly ‘socialized’ in respect to any social network. According to Google safe browsing analytics, 21dnn.com is quite a safe domain with no visitor reviews.