ns3.ispc.org has one IP number , but the reverse is ns2.dnsist.net. ns2.dnsist.net point to the same IP. mv.com, trf.net, ckt.com, rut.org, nhcf.org and at least 100 other hosts use this as a nameserver. ispc.org is a domain controlled by three nameservers at dnsist.net. Two of them are on the same IP network. Incoming mail for ispc.org is handled by two mailservers having a total of three IP numbers. Two mailservers have the same IP number. Some of them are on the same IP network. ns3.ispc.org is hosted on a server in United States.