edns05.ports.net has one IP number , which also has a corresponding reverse pointer. ns5.mainloop.net and ns02.ibusiness.se point to the same IP. kf.se, sna.se, kff.se, epan.se, piab.se and at least 100 other hosts use this as a nameserver. ports.net is a domain controlled by three nameservers. Two of them are on the same IP network. Incoming mail for ports.net is handled by two mailservers on the same IP network. ports.net has one IP number. edns05.ports.net is hosted on a server in Sweden.