ns3.yeunhac.org has one IP number , via cname to ns.pipni.cz , which also has a corresponding reverse pointer. pipni.cz, pipni.com, pipni.net, vserver.cz, pipni.info and at least 36 other hosts point to the same IP. yeunhac.org is delegated to three nameservers, however two delegated nameservers are missing in the zone and four other nameservers are listed. Some of them are on the same IP network. Incoming mail for yeunhac.org is handled by two mailservers on different IP networks. yeunhac.org has one IP number. ns3.yeunhac.org is hosted on a server in Czech Republic.