DNS delegation of 9.99 updated: May 21, 2013 8:18:38 PM
Delegation
step
query
auth
servers
1
99.9.in-addr.arpa.
.
(h,b,c,k,e,f,g,i,a,m,l,j,d).root-servers.net.
2
99.9.in-addr.arpa.
in-addr.arpa.
(c,b,f,d,a,e).in-addr-servers.arpa.
We pick h.root-servers.net, one of the 13 root servers (1), and ask it about 99.9.in-addr.arpa and learn that in-addr.arpa is delegated to six name servers (2), so we ask c.in-addr-servers.arpa and get the following answer: