DNS delegation of 8.20.241.1 updated: May 22, 2013 2:05:17 PM
Delegation
step
query
auth
servers
1
1.241.20.8.in-addr.arpa.
.
(i,g,l,m,k,a,j,d,b,f,h,c,e).root-servers.net.
2
1.241.20.8.in-addr.arpa.
in-addr.arpa.
(a,b,e,f,c,d).in-addr-servers.arpa.
3
1.241.20.8.in-addr.arpa.
8.in-addr.arpa.
(ns2,ns1).level3.net.
4
1.241.20.8.in-addr.arpa.
241.20.8.in-addr.arpa.
(ns1,ns5,ns7,ns3).dns.com.
We pick i.root-servers.net, one of the 13 root servers (1), and ask it about 1.241.20.8.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 8.in-addr.arpa is delegated to two name servers, including ns2.level3.net (3), so we ask that one and learn that 241.20.8.in-addr.arpa is delegated to four name servers (4), so we ask ns1.dns.com and get the following answer: