ns3.trans.net has one IP number , which also has a corresponding reverse pointer. mx2.trans.net point to the same IP. 71m.de, nmm.de, n24.de, 71i.de, tpd.de and at least 100 other hosts use this as a nameserver. trans.net is a domain controlled by three nameservers at trans.net themselves. All of them are on the same IP network. Incoming mail for trans.net is handled by two mailservers also at trans.net. They are on the same IP network. trans.net has one IP number. ns3.trans.net is hosted on a server in Germany.