DNS delegation of 63.236 updated: May 25, 2013 10:31:14 AM
Delegation
step
query
auth
servers
1
236.63.in-addr.arpa.
.
(d,j,h,c,b,m,k,e,i,a,g,f,l).root-servers.net.
2
236.63.in-addr.arpa.
in-addr.arpa.
(c,a,d,f,e,b).in-addr-servers.arpa.
3
236.63.in-addr.arpa.
63.in-addr.arpa.
(z,t,u,r,x,w,y,v).arin.net.
4
236.63.in-addr.arpa.
236.63.in-addr.arpa.
(authns2,authns1).qwest.net.
We pick d.root-servers.net, one of the 13 root servers (1), and ask it about 236.63.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 63.in-addr.arpa is delegated to eight name servers, including z.arin.net (3), so we ask that one and learn that 236.63.in-addr.arpa is delegated to two name servers (4), so we ask authns2.qwest.net and get the following answer: