ns3.visit-x.net has one IP number , which also has a corresponding reverse pointer. visitx.net, visity.net, edenag.net, watch-x.net, visit-y.net and at least 100 other hosts use this as a nameserver. visit-x.net is a domain controlled by three nameservers at visit-x.net themselves. All of them are on different IP networks. Incoming mail for visit-x.net is handled by two mailservers at campoint.net. They are on different IP networks. visit-x.net has four IP numbers. All of them are on the same IP network. ns3.visit-x.net is hosted on a server in Netherlands.