vf.sk is a domain controlled by two nameservers at nextra.cz. They are on the same IP network. Incoming mail for vf.sk is handled by two mailservers at vf.cz having a total of three IP numbers. Some of them are on the same IP network. t.cz, vf.cz, ti.cz, ica.cz, zuh.cz and at least 100 other hosts share nameservers with this domain. vf.cz, bec.cz, ndm.cz, vkk.cz, cdl.cz and at least 100 other hosts share mailservers with this domain.