go
ns.nic.do has one IP number. www.nic.do cnames to this hostname. do, nic.do, org.do, net.do, gov.do and at least seven other hosts use this as a nameserver. nic.do is a domain controlled by five nameservers. Two of them are on the same IP network. Incoming mail for nic.do is handled by one mailserver at nic.do themselves. ns.nic.do is hosted on a server in Dominican Republic.

ns.nic.do
a records
 
+ 66.98.65.146 66.98.64.0/19 AS6400  
+ ---  

nic.do
ns-soa records
ns.nic.do
+ 66.98.65.146 66.98.64.0/19 AS6400  
+ ---  
ns records
phloem.uoregon.edu
+ 128.223.32.35 128.223.0.0/16 AS3582 -
+ --- -
do-dns.nic.pr
+ 134.202.1.121 134.202.0.0/16 AS36810 -
ns.nic.do
+ 66.98.65.146 66.98.64.0/19 AS6400  
+ ---  
server1.pucmm.edu.do
+ 66.98.65.147 66.98.64.0/19 AS6400  
ns3.nic.mx
+ 200.33.111.1 200.33.111.0/24 AS28504 -
+ --- -
mx records
mail.nic.do
+ 66.98.65.154 66.98.64.0/19 AS6400  
+ ---  
ip numbers of host
66.98.65.146
hostnames pointing here by cname
www.nic.do
domains using this as nameserver
art.do
com.do
do
edu.do
gob.do
gov.do
mil.do
net.do
nic.do
org.do
pucmm.edu.do
web.do