chemgio.tinhtram.com has one IP number , which is the same as for tinhtram.com, via cname , but the reverse is www3.pipni.cz. d42.sk, 109.cz, 1dz.cz, c-4.cz, ceaf.cz and at least 100 other hosts point to the same IP. tinhtram.com use this as a nameserver. tinhtram.com is delegated to four nameservers, however two delegated nameservers are missing in the zone. Two nameservers have the same IP number. All of them are on the same IP network. Incoming mail for tinhtram.com is handled by two mailservers on different IP networks. chemgio.tinhtram.com is hosted on a server in Czech Republic.