DNS delegation of 243.68.76 updated: February 8, 2012 07:15
Delegation
step
query
auth
servers
1
76.68.243.in-addr.arpa.
.
(f,h,j,l,b,k,d,g,a,e,c,i,m).root-servers.net.
2
76.68.243.in-addr.arpa.
in-addr.arpa.
(f,b,c,a,e,d).in-addr-servers.arpa.
We pick f.root-servers.net, one of the 13 root servers (1), and ask it about 76.68.243.in-addr.arpa and learn that in-addr.arpa is delegated to six name servers (2), so we ask f.in-addr-servers.arpa and get the following answer: