go
d.tld.lt has one IP number , which also has a corresponding reverse pointer. lt use this as a nameserver. d.tld.lt is hosted on a server in Lithuania.

d.tld.lt
a records
 
+ 194.0.3.1 194.0.3.0/24 AS44358 -
+ --- -
ip numbers of host
194.0.3.1
ptrs of ip numbers
d.tld.lt
ip numbers using ptr to this host
194.0.3.1
domains using this as nameserver
lt