ns2.tongun.net has one IP number , but the reverse is ns2.servage.net. ns2.jcweb.eu, ns2.tophit.si, ns6.myh0st.com, ns2.lime.co.il, ns2.webgate.gr and at least 44 other hosts point to the same IP. tongun.net use this as a nameserver. tongun.net is delegated to four nameservers, however all four delegated nameservers are missing in the zone and four other nameservers are listed instead. There are four duplicated IP numbers. Some of them are on the same IP network. Incoming mail for tongun.net is handled by two mailservers at tongun.net themselves. They are on the same IP network. tongun.net has one IP number. ns2.tongun.net is hosted on a server in Sweden.