DNS delegation of 64.16.208.133 updated: February 9, 2012 05:08
Delegation
step
query
auth
servers
1
133.208.16.64.in-addr.arpa.
.
(e,f,l,b,j,i,d,c,h,a,k,g,m).root-servers.net.
2
133.208.16.64.in-addr.arpa.
in-addr.arpa.
(a,e,f,b,d,c).in-addr-servers.arpa.
3
133.208.16.64.in-addr.arpa.
208.16.64.in-addr.arpa.
(ns2,ns1).sagonet.com.
We pick e.root-servers.net, one of the 13 root servers (1), and ask it about 133.208.16.64.in-addr.arpa and learn that in-addr.arpa is delegated to six name servers (2), so we ask a.in-addr-servers.arpa where we learn that 208.16.64.in-addr.arpa is delegated to two name servers, including ns2.sagonet.com (3), so we ask that one and get the following answer: