DNS delegation of yf6.yahoo.com updated: May 25, 2013 9:35:51 AM
Delegation
step
query
auth
servers
1
yf6.yahoo.com.
.
(a,j,m,l,i,g,f,h,b,c,k,d,e).root-servers.net.
2
yf6.yahoo.com.
com.
(i,m,e,b,k,a,d,j,f,c,h,g,l).gtld-servers.net.
3
yf6.yahoo.com.
yahoo.com.
(ns1,ns5,ns2,ns3,ns4).yahoo.com.
We pick a.root-servers.net, one of the 13 root servers (1), and ask it about yf6.yahoo.com and learn that com is delegated to 13 name servers (2), so we ask i.gtld-servers.net where we learn that yahoo.com is delegated to five name servers, including ns1.yahoo.com (3), so we ask that one and get the following answer: