mail.aegisindia.com has two IP numbers. They are on different IP networks. sutr.net, dtil.net, agpro.in, vihtm.net, cpspl.net and at least 77 other hosts point to the same IP. aegisindia.com is delegated to two nameservers, however one extra nameserver is listed in the zone. All nameservers are at antispamhosting.com. All of them are on different IP networks. Incoming mail for aegisindia.com is handled by one mailserver having a total of two IP numbers. They are on different IP networks. aegisindia.com has one IP number. mail.aegisindia.com is hosted on two servers in India.