DNS delegation of 192.5 updated: May 22, 2013 10:48:22 PM
Delegation
step
query
auth
servers
1
5.192.in-addr.arpa.
.
(h,c,k,m,i,l,a,j,g,e,b,d,f).root-servers.net.
2
5.192.in-addr.arpa.
in-addr.arpa.
(c,a,f,e,d,b).in-addr-servers.arpa.
3
5.192.in-addr.arpa.
192.in-addr.arpa.
(r,v,y,w,x,t,u,z).arin.net.
We pick h.root-servers.net, one of the 13 root servers (1), and ask it about 5.192.in-addr.arpa and learn that in-addr.arpa is delegated to six name servers (2), so we ask c.in-addr-servers.arpa where we learn that 192.in-addr.arpa is delegated to eight name servers, including r.arin.net (3), so we ask that one and get the following answer: