ns.elion.ee has one IP number , which also has a corresponding reverse pointer. gotravel.lv point to the same IP. ts.ee, rs.ee, ml.ee, ph.ee, rh.ee and at least 100 other hosts use this as a nameserver. hostmaster.ns.elion.ee are subdomains to this hostname. elion.ee is a domain controlled by two nameservers at elion.ee themselves. They are on different IP networks. Incoming mail for elion.ee is handled by three mailservers also at elion.ee. All of them are on the same IP network. elion.ee has one IP number. ns.elion.ee is hosted on a server in Estonia.