DNS delegation of yansao.com updated: May 23, 2013 5:16:02 PM
Delegation
step
query
auth
servers
1
yansao.com.
.
(a,c,b,i,k,e,d,l,j,g,m,f,h).root-servers.net.
2
yansao.com.
com.
(b,g,l,k,c,e,f,d,j,h,m,i,a).gtld-servers.net.
3
yansao.com.
yansao.com.
(dns1,dns5,dns4,dns3,dns2,dns6).iidns.com.
We pick a.root-servers.net, one of the 13 root servers (1), and ask it about yansao.com and learn that com is delegated to 13 name servers (2), so we ask b.gtld-servers.net where we learn that yansao.com is delegated to six name servers, including dns1.iidns.com (3), so we ask that one and get the following answer: