mail.wh.hu has one IP number , but the reverse is ultrabay.hu. e7.hu, kdd.hu, rap.hu, vkozd.hu, noinet.hu and at least 85 other hosts point to the same IP. wh.hu use this as a mailserver. wh.hu is a domain controlled by two nameservers at acwsbt.com. They are on different IP networks. Incoming mail for wh.hu is handled by one mailserver at wh.hu themselves. wh.hu has one IP number , but the reverse is web-solution.hu. mail.wh.hu is hosted on a server in Hungary.