DNS delegation of vip.gq1.yahoo.com updated: May 18, 2013 9:19:53 AM
Delegation
step
query
auth
servers
1
vip.gq1.yahoo.com.
.
(b,k,d,g,l,m,e,h,f,i,c,j,a).root-servers.net.
2
vip.gq1.yahoo.com.
com.
(j,f,k,a,g,m,h,d,l,c,b,e,i).gtld-servers.net.
3
vip.gq1.yahoo.com.
yahoo.com.
(ns3,ns1,ns4,ns5,ns2).yahoo.com.
We pick b.root-servers.net, one of the 13 root servers (1), and ask it about vip.gq1.yahoo.com and learn that com is delegated to 13 name servers (2), so we ask j.gtld-servers.net where we learn that yahoo.com is delegated to five name servers, including ns3.yahoo.com (3), so we ask that one and get the following answer: