DNS delegation of webmail.ig.com.br updated: May 23, 2013 8:37:20 PM
Delegation
step
query
auth
servers
1
webmail.ig.com.br.
.
(d,i,m,j,e,k,l,f,g,b,c,h,a).root-servers.net.
2
webmail.ig.com.br.
br.
(a,c,b,d,f,e).dns.br.
3
webmail.ig.com.br.
ig.com.br.
(ns3,ns4,ns1,ns2).p13.dynect.net.
We pick d.root-servers.net, one of the 13 root servers (1), and ask it about webmail.ig.com.br and learn that br is delegated to six name servers (2), so we ask a.dns.br where we learn that ig.com.br is delegated to four name servers, including ns3.p13.dynect.net (3), so we ask that one and get the following answer: