DNS delegation of yahoodns.net updated: May 23, 2013 4:30:57 PM
We pick b.root-servers.net, one of the 13 root servers (1), and ask it about yahoodns.net and learn that net is delegated to 13 name servers (2), so we ask l.gtld-servers.net where we learn that yahoodns.net is delegated to five name servers, including ns2.yahoo.com (3), so we ask that one and get the following answer:
Yahoodns.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 yahoodns.net is handled by one mail server at .. We are missing the IP:s of one server: ..