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ns3.iafrica.com has one IP number , which also has a corresponding reverse pointer. mu, org.za and love.org.za use this as a nameserver. iafrica.com is a domain controlled by three nameservers. Two of them are on the same IP network. Incoming mail for iafrica.com is handled by one mailserver at mweb.co.za. iafrica.com has one IP number. ns3.iafrica.com is hosted on a server in South Africa.

ns3.iafrica.com
a records
 
+ 196.7.0.137 196.7.0.0/16 AS2905 -
+ --- -

iafrica.com
a records
 
+ 196.31.4.2 196.30.0.0/15 AS2905  
+ ---  
ns-soa records
ns1.iafrica.com
+ 196.7.0.139 196.7.0.0/16 AS2905 -
+ --- -
+ --- ns1.isp.co.za
ns records
rip.psg.com
+ 147.28.0.39 147.28.0.0/16 AS3130 -
+ --- -
ns1.iafrica.com
+ 196.7.0.139 196.7.0.0/16 AS2905 -
+ --- ns1.isp.co.za
ns2.iafrica.com
+ 196.7.142.133 196.7.0.0/16 AS2905 -
+ --- -
+ --- ns2.isp.co.za
mx records
nav-gateway.mweb.co.za
+ 196.2.42.3 196.2.42.0/24 AS12258 -
+ --- -
ip numbers of host
196.7.0.137
ptrs of ip numbers
ns3.iafrica.com
ip numbers using ptr to this host
196.7.0.137
domains using this as nameserver
love.org.za
mu
org.za
used as nameserver but missing in parent delegation
love.org.za