b.2ns.net has one IP number. ns5.dnsauthority.com and cns2.dnsauthority.com point to the same IP. 2ns.net, tatl.com, kdoc.net, kurau.net, lamma.net and at least 100 other hosts use this as a nameserver. 2ns.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 2ns.net is handled by one mailserver at localhost.com. 2ns.net has one IP number. b.2ns.net is hosted on a server in United States.