go
mxi02.mxrc.co.za has one IP number , which also has a corresponding reverse pointer. rbicapital.com, mx02.mxrc.co.za, mxc02.mxrc.co.za, mxc01.mxrc.co.za, mail.rbicapital.com and at least three other hosts point to the same IP. tyco.co.za, intec24.com and tycotrucks.co.za use this as a mailserver. mxrc.co.za is a domain controlled by three nameservers at is.co.za. All of them are on different IP networks. Incoming mail for mxrc.co.za is handled by one mailserver having a total of two IP numbers. They are on different IP networks. mxi02.mxrc.co.za is hosted on a server in South Africa.

mxi02.mxrc.co.za
a records
 
+ 196.23.143.5 196.23.0.0/16 AS3741 -
+ --- -
+ --- mxc01.mxrc.co.za

mxrc.co.za
ns-soa records
 
+   AS?  
+ ---  
ns records
demeter.is.co.za
+ 196.26.5.8 196.26.5.0/24 AS3741 -
+ --- -
jupiter.is.co.za
+ 196.4.160.3 196.4.160.0/24 AS3741 -
titan.is.co.za
+ 196.33.171.36 196.33.0.0/16 AS3741 -
mx records
internal-relay.is.co.za
+ 196.4.160.171 196.4.160.0/24 AS3741 phobytor.is.co.za
+ --- phobytor.is.co.za
+ 196.35.45.229 196.34.0.0/15 AS3741 morpheus.is.co.za
+ --- morpheus.is.co.za
ip numbers of host
196.23.143.5
ptrs of ip numbers
mxc01.mxrc.co.za
mxi02.mxrc.co.za
ip numbers using ptr to this host
196.23.143.5
hostnames sharing ip with a-records
mail.rbicapital.com
mailnospam.open-edit.com
mailnospam2.open-edit.com
mx02.mxrc.co.za
mxc01.mxrc.co.za
mxc01.stonewall.co.za
mxc02.mxrc.co.za
rbicapital.com
domains using this as mailserver
intec24.com
tyco.co.za
tycotrucks.co.za
domains using this as mailserver under another name
africaninkfest.com
bullmastiffclubsa.co.za
dorado.co.za
edenriverlodge.com
envent.co.za
epnet.co.za
essenwoodmarket.com
freshlandscaping.co.za
gam.co.za
gautengpiling.co.za
gigix3.com
is.co.za
mambaproductions.com
mfisa.co.za
mxc01.mxrc.co.za
mxc02.mxrc.co.za
onlineinnovations.co.za
onlineinnovations.com
ontheweb.co.za
open-edit.com
org.za
progreendesigns.com
qmuzik.com
sizakelecreations.com
splashpools.co.za
starnix.co.za
stratusmetering.com
studiodarc.com
uiplay.net