go
srv429.rackco.com has one IP number. rackco.com is a domain controlled by two nameservers at rackco.com themselves. They are on different IP networks. Incoming mail for rackco.com is handled by one mailserver also at rackco.com. rackco.com has one IP number. srv429.rackco.com is hosted on a server in United States.

srv429.rackco.com
a records
 
+ 208.86.3.154 208.86.3.0/24 AS36529  
+ ---  

rackco.com
a records
 
+ 208.83.60.109 208.83.60.0/24 AS36529  
+ ---  
ns-soa records
ns1.rackco.com
+ 209.8.237.6 209.8.0.0/15 AS3491 -
+ --- -
ns records
ns1.rackco.com
+ 209.8.237.6 209.8.0.0/15 AS3491 -
+ --- -
ns2.rackco.com
+ 208.83.60.22 208.83.60.0/24 AS36529 -
mx records
mail.rackco.com
+ 209.9.174.46 209.8.0.0/15 AS3491 -
+ --- -
ip numbers of host
208.86.3.154