DNS delegation of 64.4.11.37 updated: May 25, 2013 1:44:10 PM
Delegation
step
query
auth
servers
1
37.11.4.64.in-addr.arpa.
.
(c,k,j,b,e,a,l,h,g,f,d,i,m).root-servers.net.
2
37.11.4.64.in-addr.arpa.
in-addr.arpa.
(f,e,c,d,b,a).in-addr-servers.arpa.
3
37.11.4.64.in-addr.arpa.
64.in-addr.arpa.
(w,x,y,r,z,v,u,t).arin.net.
4
37.11.4.64.in-addr.arpa.
11.4.64.in-addr.arpa.
(ns1,ns3,ns5,ns4,ns2).msft.net.
We pick c.root-servers.net, one of the 13 root servers (1), and ask it about 37.11.4.64.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 64.in-addr.arpa is delegated to eight name servers, including w.arin.net (3), so we ask that one and learn that 11.4.64.in-addr.arpa is delegated to five name servers (4), so we ask ns1.msft.net and get the following answer: