mailgate2.9netweb.it has two IP numbers. They are on the same IP network. mx.9netweb.it point to the same IP. 9netweb.it is a domain controlled by two nameservers at 9netweb.it themselves. They are on the same IP network. Incoming mail for 9netweb.it is handled by two mailservers also at 9netweb.it. They are on the same IP network. 9netweb.it has one IP number. mailgate2.9netweb.it is hosted on two servers in United States even though the hostname implies Italy.