DNS delegation of w12.ngoisao.net updated: Jun 19, 2013 2:58:08 PM
Delegation
step
query
auth
servers
1
w12.ngoisao.net.
.
(m,c,d,j,e,l,a,i,k,h,f,g,b).root-servers.net.
2
w12.ngoisao.net.
net.
(m,c,i,d,e,h,b,j,l,k,f,g,a).gtld-servers.net.
3
w12.ngoisao.net.
ngoisao.net.
(ns1,ns2).gate.vn.
We pick m.root-servers.net, one of the 13 root servers (1), and ask it about w12.ngoisao.net and learn that net is delegated to 13 name servers (2), so we ask m.gtld-servers.net where we learn that ngoisao.net is delegated to two name servers, including ns1.gate.vn (3), so we ask that one and get the following answer: