DNS delegation of djulisses.com.br updated: May 26, 2013 7:25:00 AM
Delegation
step
query
auth
servers
1
djulisses.com.br.
.
(m,k,b,l,i,j,c,d,g,e,a,h,f).root-servers.net.
2
djulisses.com.br.
br.
(d,b,f,c,e,a).dns.br.
3
djulisses.com.br.
djulisses.com.br.
(borges,eliot).uol.com.br.
We pick m.root-servers.net, one of the 13 root servers (1), and ask it about djulisses.com.br and learn that br is delegated to six name servers (2), so we ask d.dns.br where we learn that djulisses.com.br is delegated to two name servers, including borges.uol.com.br (3), so we ask that one and get the following answer:
Djulisses.com.br is a domain controlled by two domain name servers at uol.com.br. Both are on different IP networks. Incoming mail for djulisses.com.br is handled by two mail servers also at uol.com.br. Two mail servers have the same IP number.
The three name servers borges, charles and eliot.uol.com.br together
There are more than hundred domains that use the three name servers borges, charles and eliot.uol.com.br together, hereafter referred to as "name server group 1".