Tpnu.ac.ir is tracked by us since April, 2011. Over the time it has been ranked as high as 19 949 in the world, while most of its traffic comes from Iran, where it reached as high as 567 position. Defa.tpnu.ac.ir receives less than 1% of its total traffic. It was owned by several entities, from Payam Nur University Tehran to payamnoor university of tehran province, it was hosted by PTS-Network and GOSTARESH-E-ERTEBATAT-E MABNA COMPANY (Private Joint Stock). While was its first registrar, now it is moved to NIC-IR.

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