DNS delegation of 68.192.252 updated: May 24, 2013 1:10:50 AM
Delegation
step
query
auth
servers
1
252.192.68.in-addr.arpa.
.
(c,e,m,f,j,g,l,b,h,d,k,i,a).root-servers.net.
2
252.192.68.in-addr.arpa.
in-addr.arpa.
(d,f,a,b,e,c).in-addr-servers.arpa.
3
252.192.68.in-addr.arpa.
68.in-addr.arpa.
(x,v,z,r,y,u,w,t).arin.net.
4
252.192.68.in-addr.arpa.
192.68.in-addr.arpa.
(ns2,ns).cv.net.
We pick c.root-servers.net, one of the 13 root servers (1), and ask it about 252.192.68.in-addr.arpa and learn that in-addr.arpa is delegated to six name servers (2), so we ask d.in-addr-servers.arpa where we learn that 68.in-addr.arpa is delegated to eight name servers, including x.arin.net (3), so we ask that one and learn that 192.68.in-addr.arpa is delegated to two name servers (4), so we ask ns2.cv.net and get the following answer: