ns1.sandun.net has one IP number , but the reverse is ns51.domaincontrol.com. ns.myqs.org, ns21.kxm.us, victorc.org, noahbard.com, ns0.68847.com and at least 20 other hosts point to the same IP. sandun.lk, sandun.org and sandun.net use this as a nameserver. sandun.net is delegated to two nameservers, however both delegated nameservers are missing in the zone and two other nameservers are listed instead. There are two duplicated IP numbers. Some of them are on the same IP network. Incoming mail for sandun.net is handled by five mailservers having a total of twelve IP numbers. Some of them are on the same IP network. sandun.net has one IP number. ns1.sandun.net is hosted on a server in United States.