ns.jfam.net has one IP number. ns.bkbc.org, ns.11-3.net, ns.dhch.net, ns.2an2.com, ns.jein.net and at least 100 other hosts point to the same IP. jfam.net use this as a nameserver. jfam.net is delegated to two nameservers, however two extra nameservers are listed in the zone. There are two duplicated IP numbers. Some of them are on the same IP network. Incoming mail for jfam.net is handled by one mailserver at net. jfam.net has one IP number. ns.jfam.net is hosted on a server in Korea.