go
ns3.nic.mx has one IP number , which also has a corresponding reverse pointer. cr, do, gt, uy, py and at least 30 other hosts use this as a nameserver. nic.mx is a domain controlled by six nameservers at mx-ns.mx. All of them are on different IP networks. Incoming mail for nic.mx is handled by two mailservers on different IP networks. nic.mx has two IP numbers. They are on the same IP network. ns3.nic.mx is hosted on a server in Mexico.

ns3.nic.mx
a records
 
+ 200.33.111.1 200.33.111.0/24 AS28504 -
+ --- -

nic.mx
a records
 
+ 200.94.180.17 200.94.180.0/24 AS22894  
+ ---  
+ 200.94.180.18 200.94.180.0/24 AS22894  
ns-soa records
m.mx-ns.mx
+ 200.94.176.1 200.94.176.0/24 AS28498 -
+ --- -
ns records
c.mx-ns.mx
+ 192.100.224.1 192.100.224.0/24 AS28499 -
+ --- -
e.mx-ns.mx
+ 189.201.244.1 189.201.244.0/23 AS42 -
i.mx-ns.mx
+ 207.248.68.1 207.248.68.0/24 AS28500 -
m.mx-ns.mx
+ 200.94.176.1 200.94.176.0/24 AS28498 -
o.mx-ns.mx
+ 200.23.1.1 200.23.1.0/24 AS28498 -
x.mx-ns.mx
+ 201.131.252.1 201.131.252.0/24 AS27661 -
mx records
mail-ax.axtel-mty.nic.net.mx
+ 200.94.183.4 200.94.183.0/24 AS22894 -
+ --- -
mail-tri.triara-mty.nic.net.mx
+ 200.94.182.4 200.94.182.0/24 AS22894 -
ip numbers of host
200.33.111.1
ptrs of ip numbers
ns3.nic.mx
ip numbers using ptr to this host
200.33.111.1
domains using this as nameserver
73.164.in-addr.arpa
art.do
com.do
com.es
com.py
coop.py
cr
do
edu.do
edu.es
edu.py
edu.uy
gob.do
gob.es
gov.do
gov.py
gt
gub.uy
mil.do
mil.py
mil.uy
net.do
net.py
net.uy
nic.do
nom.es
org.do
org.es
org.py
org.uy
pucmm.edu.do
py
una.py
uy
web.do
used as nameserver but missing in parent delegation
73.164.in-addr.arpa