DNS delegation of wwwgmail.com updated: Jun 19, 2013 3:20:41 AM
Delegation
step
query
auth
servers
1
wwwgmail.com.
.
(j,i,d,b,h,a,g,k,f,m,e,c,l).root-servers.net.
2
wwwgmail.com.
com.
(e,f,k,l,m,d,c,j,i,g,b,h,a).gtld-servers.net.
3
wwwgmail.com.
wwwgmail.com.
(ns3,ns4,ns1,ns2).google.com.
We pick j.root-servers.net, one of the 13 root servers (1), and ask it about wwwgmail.com and learn that com is delegated to 13 name servers (2), so we ask e.gtld-servers.net where we learn that wwwgmail.com is delegated to four name servers, including ns3.google.com (3), so we ask that one and get the following answer: