DNS delegation of 66.150.161.140 updated: May 23, 2013 8:22:16 AM
Delegation
step
query
auth
servers
1
140.161.150.66.in-addr.arpa.
.
(a,i,d,f,e,k,m,g,c,l,h,j,b).root-servers.net.
2
140.161.150.66.in-addr.arpa.
in-addr.arpa.
(d,b,c,f,a,e).in-addr-servers.arpa.
3
140.161.150.66.in-addr.arpa.
66.in-addr.arpa.
(z,y,w,x,u,t,v,r).arin.net.
4
140.161.150.66.in-addr.arpa.
150.66.in-addr.arpa.
(ns1,ns2).pnap.net.
5
140.161.150.66.in-addr.arpa.
161.150.66.in-addr.arpa.
(ns1,ns2).sef.pnap.net.
We pick a.root-servers.net, one of the 13 root servers (1), and ask it about 140.161.150.66.in-addr.arpa and learn that in-addr.arpa is delegated to six name servers (2), so we ask d.in-addr-servers.arpa where we learn that 66.in-addr.arpa is delegated to eight name servers, including z.arin.net (3), so we ask that one and learn that 150.66.in-addr.arpa is delegated to two name servers (4), so we ask ns1.pnap.net and learn that 161.150.66.in-addr.arpa is delegated to two name servers (5), so we ask ns1.sef.pnap.net and get the following answer:
