Incoming mail for www.am.sony.com is handled by one mailserver having a total of two IP numbers. They are on different IP networks. cq.com, cli.cc, osl.be, fuel.tv, cbh.com and at least 100 other hosts share mailservers with this domain. 106366-fw1.www.am.sony.com and 106367-web1.www.am.sony.com are subdomains to this hostname. Incoming mail for am.sony.com is handled by one mailserver having a total of two IP numbers. They are on different IP networks.