ns3.max4eu.net has one IP number , which also has a corresponding reverse pointer. mbi.eu, mbi.pl, cix.at, mbi.ro, cix.eu and at least 100 other hosts use this as a nameserver. max4eu.net is a domain controlled by four nameservers at max4eu.net themselves. All of them are on the same IP network. Incoming mail for max4eu.net is handled by one mailserver also at max4eu.net. max4eu.net has one IP number. ns3.max4eu.net is hosted on a server in Austria.