ns2.er-fa.net has one IP number , but the reverse is ns2.ttidc.com.tr. ns2.akmir.com, ns2.kaoff.com, ns2.tek.org.tr, ns2.imirli.com, ns2.ttmail.com and at least 100 other hosts point to the same IP. er-fa.net use this as a nameserver. er-fa.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 er-fa.net is handled by one mailserver at er-fa.net themselves. ns2.er-fa.net is hosted on a server in Turkey.