Summary
spamtitan1.hosting365.com has one IP number , which also has a corresponding reverse pointer.
mailgate1.hosting365.ie,
mailgate3.hosting365.ie,
mailgate2.hosting365.ie,
mailgate5.hosting365.ie,
mailgate4.hosting365.ie and at least one other host cnames to this hostname.
mail.desktop.ie,
av.hosting365.ie,
av-d.hosting365.ie and
mail.colmmcevoy.ie point to the same IP.
iro.ie,
ddm.ie,
ioh.ie,
hmg.ie,
cfw.ie and at least 100 other hosts use this as a mailserver.
hosting365.com is delegated to two nameservers, however one extra nameserver is listed in the zone. All nameservers are at
hosting365.ie. All of them are on different IP networks. Incoming mail for
hosting365.com is handled by one mailserver at
hosting365.com themselves.
hosting365.com has one IP number.
spamtitan1.hosting365.com is hosted on a server in Ireland.