DNS delegation of refahi.ir updated: Jun 19, 2013 3:05:29 PM
Delegation
step
query
auth
servers
1
refahi.ir.
.
(f,a,k,d,h,e,m,c,b,l,g,j,i).root-servers.net.
2
refahi.ir.
ir.
a.nic.ir. ns5.univie.ac.at. ns.irnic.ir.
3
refahi.ir.
refahi.ir.
(ns2,ns1,ns3,ns4).refahi.ir.
We pick f.root-servers.net, one of the 13 root servers (1), and ask it about refahi.ir and learn that ir is delegated to three name servers (2), so we ask a.nic.ir where we learn that refahi.ir is delegated to four name servers, including ns2.refahi.ir (3), so we ask that one and get the following answer:
All of the two host names that point to the IP number 78.158.174.204 point to IP group 1.
The IP number 78.158.174.210
There are two host names that point to the IP number 78.158.174.210.
All of those point to IP group 1.
One of them use name server group 1.
The IP number 78.158.174.208
There are two host names that point to the IP number 78.158.174.208.
All of those point to IP group 1.
One of them use name server group 1.
The IP number 78.158.174.198
All of the two host names that point to the IP number 78.158.174.198 point to IP group 1.
The IP number 78.158.174.206
All of the two host names that point to the IP number 78.158.174.206 point to IP group 1.
The IP number 78.158.174.212
All of the two host names that point to the IP number 78.158.174.212 point to IP group 1.
The IP number 78.158.174.197
All of the two host names that point to the IP number 78.158.174.197 point to IP group 1.
The IP number 78.158.174.207
All of the two host names that point to the IP number 78.158.174.207 point to IP group 1.
The IP number 78.158.174.213
All of the two host names that point to the IP number 78.158.174.213 point to IP group 1.
The IP number 78.158.174.199
There are two host names that point to the IP number 78.158.174.199.
All of those point to IP group 1.
One of them use name server group 1.
The IP number 78.158.174.205
There are two host names that point to the IP number 78.158.174.205.
All of those point to IP group 1.
One of them use name server group 1.
The two name servers ns1 and ns3.refahi.ir together
All of the one domains that use name server group 1 point to IP group 1. Worth noting is that one of the host names that point to IP group 1 use name server group 1.
The name server ns3.refahi.ir
There are one domains that use the name server ns3.refahi.ir.
All of those point to IP group 1.
All of them use name server group 1.
The name server ns1.refahi.ir
There are one domains that use the name server ns1.refahi.ir.