DNS delegation of 128.8.76.2 updated: May 21, 2013 6:00:11 PM
Delegation
step
query
auth
servers
1
2.76.8.128.in-addr.arpa.
.
(i,f,m,l,j,k,c,b,g,d,h,a,e).root-servers.net.
2
2.76.8.128.in-addr.arpa.
in-addr.arpa.
(f,a,d,c,e,b).in-addr-servers.arpa.
3
2.76.8.128.in-addr.arpa.
128.in-addr.arpa.
(u,x,v,z,w,r,t,y).arin.net.
4
2.76.8.128.in-addr.arpa.
8.128.in-addr.arpa.
(noc,ns1,ns2).umd.edu.
We pick i.root-servers.net, one of the 13 root servers (1), and ask it about 2.76.8.128.in-addr.arpa and learn that in-addr.arpa is delegated to six name servers (2), so we ask f.in-addr-servers.arpa where we learn that 128.in-addr.arpa is delegated to eight name servers, including u.arin.net (3), so we ask that one and learn that 8.128.in-addr.arpa is delegated to three name servers (4), so we ask noc.umd.edu and get the following answer: