DNS delegation of aspmx.goggle.com updated: Jun 18, 2013 10:17:59 PM
Delegation
step
query
auth
servers
1
aspmx.goggle.com.
.
(b,g,h,l,m,k,i,a,d,f,j,e,c).root-servers.net.
2
aspmx.goggle.com.
com.
(l,c,m,g,f,e,j,d,i,a,b,k,h).gtld-servers.net.
3
aspmx.goggle.com.
goggle.com.
(ns4,ns3).domainmanager.com.
We pick b.root-servers.net, one of the 13 root servers (1), and ask it about aspmx.goggle.com and learn that com is delegated to 13 name servers (2), so we ask l.gtld-servers.net where we learn that goggle.com is delegated to two name servers, including ns4.domainmanager.com (3), so we ask that one and get the following answer: