DNS delegation of 67.19 updated: Jun 19, 2013 10:43:09 AM
Delegation
step
query
auth
servers
1
19.67.in-addr.arpa.
.
(j,e,h,b,l,m,c,a,f,g,d,k,i).root-servers.net.
2
19.67.in-addr.arpa.
in-addr.arpa.
(e,a,d,f,b,c).in-addr-servers.arpa.
3
19.67.in-addr.arpa.
67.in-addr.arpa.
(v,y,w,t,r,z,x,u).arin.net.
4
19.67.in-addr.arpa.
19.67.in-addr.arpa.
(ns4,ns3).arpa.networklayer.com.
We pick j.root-servers.net, one of the 13 root servers (1), and ask it about 19.67.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 67.in-addr.arpa is delegated to eight name servers, including v.arin.net (3), so we ask that one and learn that 19.67.in-addr.arpa is delegated to two name servers (4), so we ask ns4.arpa.networklayer.com and get the following answer: