Spir.cz is tracked by us since April, 2011. Over the time it has been ranked as high as 424 499 in the world, while most of its traffic comes from Czech Republic, where it reached as high as 6 861 position. It was owned by several entities, from Jitka Černá temp-c: PER000000001-ZONER to Sdružení pro internetový rozvoj v České republice z.s.p.o., it was hosted by MITON CZ s.r.o, CloudFlare Inc. and others. While REG-STABLE was its first registrar, now it is moved to CZ-NIC.

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