DNS delegation of gm0.yahoodns.net updated: May 26, 2013 4:40:16 AM
Delegation
step
query
auth
servers
1
gm0.yahoodns.net.
.
(e,l,a,c,b,d,h,m,g,k,j,f,i).root-servers.net.
2
gm0.yahoodns.net.
net.
(h,g,f,d,a,k,m,l,e,i,c,j,b).gtld-servers.net.
3
gm0.yahoodns.net.
yahoodns.net.
(ns3,ns4,ns5,ns2,ns1).yahoo.com.
4
gm0.yahoodns.net.
gm0.yahoodns.net.
(yf5,yf8,yf7,yf6,yf2,yf4,yf1,yf3).yahoo.com.
We pick e.root-servers.net, one of the 13 root servers (1), and ask it about gm0.yahoodns.net and learn that net is delegated to 13 name servers (2), so we ask h.gtld-servers.net where we learn that yahoodns.net is delegated to five name servers, including ns3.yahoo.com (3), so we ask that one and learn that gm0.yahoodns.net is delegated to eight name servers (4), so we ask yf5.yahoo.com and get the following answer:
Gm0.yahoodns.net is a domain controlled by eight domain name servers at yahoo.com. Two domain name servers have the same IP number. All seven of them are on different IP networks.
