mail.fz.se has one IP number , via cname to ghs.google.com. ns.otc.ro, per.dfc.dk, mail.rt.to, mrports.com, mail.oer.dk and at least 100 other hosts point to the same IP. fz.se is a domain controlled by three nameservers at ascio.net. All of them are on different IP networks. Incoming mail for fz.se is handled by seven mailservers having a total of 28 IP numbers. Some of them are on the same IP network. fz.se has one IP number. mail.fz.se is hosted on a server in United States even though the hostname implies Sweden.