DNS delegation of 205.252.166.180 updated: May 24, 2013 3:01:46 AM
Delegation
step
query
auth
servers
1
180.166.252.205.in-addr.arpa.
.
(m,f,k,e,c,i,b,h,d,g,l,a,j).root-servers.net.
2
180.166.252.205.in-addr.arpa.
in-addr.arpa.
(d,e,b,a,c,f).in-addr-servers.arpa.
3
180.166.252.205.in-addr.arpa.
205.in-addr.arpa.
(t,u,z,w,x,y,v,r).arin.net.
4
180.166.252.205.in-addr.arpa.
252.205.in-addr.arpa.
(ns,ns2).cais.com.
We pick m.root-servers.net, one of the 13 root servers (1), and ask it about 180.166.252.205.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 205.in-addr.arpa is delegated to eight name servers, including t.arin.net (3), so we ask that one and learn that 252.205.in-addr.arpa is delegated to two name servers (4), so we ask ns.cais.com and get the following answer: