DNS delegation of 55 updated: May 23, 2013 5:09:05 AM
Delegation
step
query
auth
servers
1
55.in-addr.arpa.
.
(b,f,g,j,d,e,k,h,a,c,l,i,m).root-servers.net.
2
55.in-addr.arpa.
in-addr.arpa.
(e,f,d,b,c,a).in-addr-servers.arpa.
3
55.in-addr.arpa.
55.in-addr.arpa.
(ns03,ns02,ns01).army.mil.
We pick b.root-servers.net, one of the 13 root servers (1), and ask it about 55.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 55.in-addr.arpa is delegated to three name servers, including ns03.army.mil (3), so we ask that one and get the following answer: