DNS delegation of 192.168.24 updated: May 20, 2013 5:06:48 AM
Delegation
step
query
auth
servers
1
24.168.192.in-addr.arpa.
.
(j,e,i,b,h,d,l,c,g,k,f,a,m).root-servers.net.
2
24.168.192.in-addr.arpa.
in-addr.arpa.
(b,e,c,f,d,a).in-addr-servers.arpa.
3
24.168.192.in-addr.arpa.
192.in-addr.arpa.
(y,r,z,v,x,u,w,t).arin.net.
4
24.168.192.in-addr.arpa.
168.192.in-addr.arpa.
(blackhole-1,blackhole-2).iana.org.
We pick j.root-servers.net, one of the 13 root servers (1), and ask it about 24.168.192.in-addr.arpa and learn that in-addr.arpa is delegated to six name servers (2), so we ask b.in-addr-servers.arpa where we learn that 192.in-addr.arpa is delegated to eight name servers, including y.arin.net (3), so we ask that one and learn that 168.192.in-addr.arpa is delegated to two name servers (4), so we ask blackhole-1.iana.org and get the following answer: