DNS delegation of 5.66.in-addr.arpa updated: May 20, 2013 12:56:57 AM
Delegation
step
query
auth
servers
1
5.66.in-addr.arpa.
.
(l,i,g,m,a,b,f,e,k,h,c,d,j).root-servers.net.
2
5.66.in-addr.arpa.
in-addr.arpa.
(e,a,d,c,b,f).in-addr-servers.arpa.
3
5.66.in-addr.arpa.
66.in-addr.arpa.
(y,z,t,r,u,w,x,v).arin.net.
4
5.66.in-addr.arpa.
5.66.in-addr.arpa.
(ns3,ns4).tennk12.net.
We pick l.root-servers.net, one of the 13 root servers (1), and ask it about 5.66.in-addr.arpa and learn that in-addr.arpa is delegated to six name servers (2), so we ask e.in-addr-servers.arpa where we learn that 66.in-addr.arpa is delegated to eight name servers, including y.arin.net (3), so we ask that one and learn that 5.66.in-addr.arpa is delegated to two name servers (4), so we ask ns3.tennk12.net and get the following answer:
5.66.in-addr.arpa is a domain controlled by six domain name servers at tennk12.net. There are two duplicated IP numbers. Some of them are on the same IP network.