Summary
mx.cogeco.ca has one IP number , which also has a corresponding reverse pointer.
mx.vpch.com,
mx.huero.com,
mx.fenfc.org,
mx.sforc.com,
mx.mfx.on.ca and at least 100 other hosts point to the same IP.
hlifs.com,
cogeco.ca,
spelmer.com,
jhawley.net,
ainslaw.com and at least 100 other hosts use this as a mailserver.
cogeco.ca is delegated to three nameservers, however two extra nameservers are listed in the zone. All of them are on the same IP network. Incoming mail for
cogeco.ca is handled by one mailserver at
cogeco.ca themselves.
cogeco.ca has one IP number.
mx.cogeco.ca is hosted on a server in Canada.