DNS delegation of yahoomail.net updated: May 21, 2013 8:53:40 PM
Delegation
step
query
auth
servers
1
yahoomail.net.
.
(m,g,c,b,h,l,e,i,d,j,f,a,k).root-servers.net.
2
yahoomail.net.
net.
(c,b,g,a,k,h,i,f,l,j,d,m,e).gtld-servers.net.
3
yahoomail.net.
yahoomail.net.
(ns3,ns7,ns2,ns5,ns1).yahoo.com.
We pick m.root-servers.net, one of the 13 root servers (1), and ask it about yahoomail.net and learn that net is delegated to 13 name servers (2), so we ask c.gtld-servers.net where we learn that yahoomail.net is delegated to five name servers, including ns3.yahoo.com (3), so we ask that one and get the following answer:
Yahoomail.net is a domain controlled by five domain name servers at yahoo.com. All five of them are on different IP networks. Incoming mail for yahoomail.net is handled by one mail server at .. We are missing the IP:s of one server: ..
