go
ns.nic.nu has one IP number , which also has a corresponding reverse pointer. nu use this as a nameserver. nic.nu is a domain controlled by nine nameservers. All of them are on different IP networks. Incoming mail for nic.nu is handled by two mailservers on different IP networks. nic.nu has one IP number. ns.nic.nu is hosted on a server in United States even though the hostname implies Niue.

ns.nic.nu
a records
 
+ 69.25.75.70 69.25.64.0/20 AS14742 -
+ --- -

nic.nu
a records
 
+ 69.25.75.100 69.25.64.0/20 AS14742  
+ ---  
ns-soa records
lns0.ma.nic.nu
+ 69.25.75.71 69.25.64.0/20 AS14742 -
+ --- -
ns records
lns0.de.nic.nu
+ 62.4.64.117 62.4.64.0/19 AS8218 -
+ --- -
lns0.ma.nic.nu
+ 69.25.75.71 69.25.64.0/20 AS14742 -
lns0.telia.nic.nu
+ 212.181.91.5 212.181.0.0/16 AS3301 -
ns0.nus.nic.nu
+ 156.154.100.13 156.154.100.0/24 AS12008 -
ns1.nus.nic.nu
+ 156.154.101.13 156.154.101.0/24 AS12008 -
ns2.nus.nic.nu
+ 156.154.102.13 156.154.102.0/24 AS12008 -
ns3.nus.nic.nu
+ 156.154.103.13 156.154.103.0/24 AS12008 -
ns4.nus.nic.nu
+ 156.154.104.13 156.154.104.0/24 AS12008 -
ns5.nus.nic.nu
+ 156.154.105.13 156.154.105.0/24 AS12008 -
mx records
mail.nic.nu
+ 216.133.64.14 216.133.0.0/17 AS4565 nuusmail02.ndl.net.nu
+ --- nuusmail02.ndl.net.nu
mx.worldnames.net
+ 69.25.75.69 69.25.64.0/20 AS14742 mx.nic.nu
+ --- mx.nic.nu
ip numbers of host
69.25.75.70
ptrs of ip numbers
ns.nic.nu
ip numbers using ptr to this host
69.25.75.70
domains using this as nameserver
nu