DNS delegation of 192.54.112 updated: May 22, 2013 7:48:26 PM
Delegation
step
query
auth
servers
1
112.54.192.in-addr.arpa.
.
(c,h,i,l,m,d,e,k,g,f,j,b,a).root-servers.net.
2
112.54.192.in-addr.arpa.
in-addr.arpa.
(e,d,a,b,f,c).in-addr-servers.arpa.
3
112.54.192.in-addr.arpa.
192.in-addr.arpa.
(v,y,t,z,w,x,u,r).arin.net.
4
112.54.192.in-addr.arpa.
112.54.192.in-addr.arpa.
(d2,l2,c2,e2).nstld.com.
We pick c.root-servers.net, one of the 13 root servers (1), and ask it about 112.54.192.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 192.in-addr.arpa is delegated to eight name servers, including v.arin.net (3), so we ask that one and learn that 112.54.192.in-addr.arpa is delegated to four name servers (4), so we ask d2.nstld.com and get the following answer: