*.zha.sk has one IP number , which is the same as for zha.sk, but the reverse is beneta3.cust.ignum.cz. smi.cz, zha.sk, cdn.cz, ncom.cz, icer.cz and at least 100 other hosts point to the same IP. zha.sk is a domain controlled by three nameservers at webglobe.sk. All of them are on different IP networks. Incoming mail for zha.sk is handled by three mailservers also at webglobe.sk. Two of them are on the same IP network. *.zha.sk is hosted on a server in Czech Republic even though the hostname implies Slovakia.