DNS delegation of www.bb.com.br updated: Jun 18, 2013 10:26:35 PM
Delegation
step
query
auth
servers
1
www.bb.com.br.
.
(j,m,l,c,i,f,g,a,d,e,b,k,h).root-servers.net.
2
www.bb.com.br.
br.
(f,c,a,e,d,b).dns.br.
3
www.bb.com.br.
bb.com.br.
(dns2,dns1).bb.com.br.
We pick j.root-servers.net, one of the 13 root servers (1), and ask it about www.bb.com.br and learn that br is delegated to six name servers (2), so we ask f.dns.br where we learn that bb.com.br is delegated to two name servers, including dns2.bb.com.br (3), so we ask that one and get the following answer: