go
gns2.domainregistry.ie point to 198.133.199.103.

gns2.domainregistry.ie
a records
 
+ 198.133.199.103 198.133.199.0/24 AS12008 -
+ --- -
ip numbers of host
198.133.199.103
ptrs of ip numbers
gns2.domainregistry.ie
hostnames sharing ip with a-records
gns2.domainregistry.ie
domains using this as nameserver
ie