Ppdm.us is tracked by us since April, 2011. Over the time it has been ranked as high as 119 399 in the world, while most of its traffic comes from Taiwan, where it reached as high as 14 565 position. It was owned by several entities, from chen weijian to chen weijian, it was hosted by Peer 1 Dedicated Hosting, LiquidNet US LLC and others. While NEUSTAR INC. was its first registrar, now it is moved to .

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