Osn.cz is tracked by us since April, 2011. Over the time it has been ranked as high as 1 320 899 in the world, while most of its traffic comes from Czech Republic, where it reached as high as 13 488 position. It was owned by several entities, from United Nations Information Centre temp-c: MD279-RIPE to Informacni centrum OSN of United Nations Information Centre, it was hosted by SuperNetwork s.r.o, CloudFlare Inc. and others. While REG-IGNUM was its first registrar, now it is moved to CZ-NIC.

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