DNS delegation of 192.168.10.1 updated: May 20, 2013 6:14:09 AM
Delegation
step
query
auth
servers
1
1.10.168.192.in-addr.arpa.
.
(k,a,d,m,j,b,e,c,g,l,h,f,i).root-servers.net.
2
1.10.168.192.in-addr.arpa.
in-addr.arpa.
(b,e,c,f,d,a).in-addr-servers.arpa.
3
1.10.168.192.in-addr.arpa.
192.in-addr.arpa.
(u,w,z,v,x,y,r,t).arin.net.
We pick k.root-servers.net, one of the 13 root servers (1), and ask it about 1.10.168.192.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 u.arin.net (3), so we ask that one and get the following answer: