DNS delegation of b.oct.nac.net updated: May 22, 2013 2:48:34 AM
Delegation
step
query
auth
servers
1
b.oct.nac.net.
.
(h,b,l,f,a,m,e,i,k,c,d,g,j).root-servers.net.
2
b.oct.nac.net.
net.
(i,g,e,f,j,a,k,h,m,b,d,l,c).gtld-servers.net.
3
b.oct.nac.net.
nac.net.
(ns1,ns2).nac.net.
We pick h.root-servers.net, one of the 13 root servers (1), and ask it about b.oct.nac.net and learn that net is delegated to 13 name servers (2), so we ask i.gtld-servers.net where we learn that nac.net is delegated to two name servers, including ns1.nac.net (3), so we ask that one and get the following answer:
B.oct.nac.net uses the primary name server ns1.nac.net and the two name servers ns1 and ns2.nac.net together, hereafter referred to as "name server group 1".