ans1.t-online.hu has one IP number , which also has a corresponding reverse pointer. b.ns.maracuja.hu point to the same IP. fo.hu, fx.hu, wp.hu, msk.hu, lfb.hu and at least 100 other hosts use this as a nameserver. t-online.hu is a domain controlled by two nameservers at t-online.hu themselves. They are on different IP networks. Incoming mail for t-online.hu is handled by one mailserver having a total of two IP numbers. They are on the same IP network. t-online.hu has one IP number. ans1.t-online.hu is hosted on a server in Hungary.