Summary
da4.ceryxefw.com has one IP number , but the reverse is
cltovs1.800onemail.com.
mx1.efwmx.net,
mx2.efwmx.net,
dc3.ceryxefw.com,
sb2.ceryxefw.com,
hg3.ceryxefw.com and at least 100 other hosts point to the same IP.
acop.com,
daihome.com,
danalyst.com,
daisurvey.com,
decisionanalyst.com and at least six other hosts use this as a mailserver.
ceryxefw.com is delegated to three nameservers, however two extra nameservers are listed in the zone. All of them are on different IP networks.
ceryxefw.com has one IP number.
da4.ceryxefw.com is hosted on a server in Canada.