ns1.nwtel.ru has one IP number , but the reverse is ns3.ripn.net. mde.ru, viufa.ru, spbwine.ru, ns.svs1.ru, ns.soes.ru and at least 20 other hosts point to the same IP. nwtel.ru use this as a nameserver. nwtel.ru is a domain controlled by two nameservers at nwtel.ru themselves. They are on different IP networks. Incoming mail for nwtel.ru is handled by seven mailservers having a total of 28 IP numbers. Some of them are on the same IP network. ns1.nwtel.ru is hosted on a server in Russian Federation.