dns1.mynet.com has one IP number , which also has a corresponding reverse pointer. mynet.com point to the same IP. mynet.com, inanc.net, corlu.com, zuxxi.net, erona.net and at least 100 other hosts use this as a nameserver. mynet.com is delegated to two nameservers, however one extra nameserver is listed in the zone. All nameservers are at mynet.com themselves. All of them are on the same IP network. Incoming mail for mynet.com is handled by one mailserver also at mynet.com. mynet.com has four IP numbers. All of them are on the same IP network. dns1.mynet.com is hosted on a server in Turkey.