Grena.cz is tracked by us since April, 2011. Over the time it has been ranked as high as 1 121 999 in the world, while most of its traffic comes from Czech Republic, where it reached as high as 18 798 position. It was owned by several entities, from Grena a.s. temp-c: PH-111 to Grena a.s. of Grena a.s., it was hosted by Ipex a.s, ASPone s.r.o. and others. While REG-GENREG was its first registrar, now it is moved to CZ-NIC.

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