go
eu.wowarmory.com has one IP number , but the reverse is 80-239-186-20.attens.net. armory.wow-europe.com point to the same IP. wowarmory.com is a domain controlled by two nameservers at cerf.net. They are on different IP networks. wowarmory.com has one IP number. eu.wowarmory.com is hosted on a server in France.

eu.wowarmory.com
a records
 
+ 80.239.186.20 80.239.160.0/19 AS1299 80-239-186-20.attens.net
+ --- 80-239-186-20.attens.net

wowarmory.com
a records
 
+ 12.129.242.20 12.129.192.0/18 AS17233  
+ ---  
ns-soa records
ns-west.cerf.net
+ 192.153.156.3 192.153.156.0/24 AS4266 -
+ --- -
ns records
ns-east.cerf.net
+ 207.252.96.3 207.252.96.0/24 AS4264 -
+ --- -
ns-west.cerf.net
+ 192.153.156.3 192.153.156.0/24 AS4266 -
ip numbers of host
80.239.186.20
ptrs of ip numbers
80-239-186-20.attens.net
hostnames sharing ip with a-records
armory.wow-europe.com