go
ns1.nic.ir point to 194.225.70.83.

ns1.nic.ir
a records
 
+ 194.225.70.83 194.225.64.0/19 AS6736  
+ ---  
ip numbers of host
194.225.70.83
hostnames sharing ip with a-records
ns1.nic.ir
domains using this as nameserver
225.194.in-addr.arpa
71.225.194.in-addr.arpa
75.225.194.in-addr.arpa
acnet.ir
alireza.ir
b-iust.ac.ir
co.ir
gov.ir
id.ir
ipm.ac.ir
ipm.ir
ir
iranet.ir
irnic.ir
nano.ipm.ac.ir
net.ir
nic.ir
org.ir
sch.ir