go
ns0.de.nic.nu has one IP number , which also has a corresponding reverse pointer. nu use this as a nameserver. ns0.de.nic.nu is hosted on a server in Germany even though the hostname implies Niue.

ns0.de.nic.nu
a records
 
+ 62.4.64.120 62.4.64.0/19 AS8218 -
+ --- -
ip numbers of host
62.4.64.120
ptrs of ip numbers
ns0.de.nic.nu
ip numbers using ptr to this host
62.4.64.120
domains using this as nameserver
nu