DNS delegation of ash1.tfbnw.net updated: May 20, 2013 3:03:37 AM
Delegation
step
query
auth
servers
1
ash1.tfbnw.net.
.
(d,j,f,h,l,k,c,a,e,b,m,g,i).root-servers.net.
2
ash1.tfbnw.net.
net.
(a,d,j,c,e,m,l,h,b,g,f,k,i).gtld-servers.net.
3
ash1.tfbnw.net.
tfbnw.net.
(a,b).ns.facebook.com.
We pick d.root-servers.net, one of the 13 root servers (1), and ask it about ash1.tfbnw.net and learn that net is delegated to 13 name servers (2), so we ask a.gtld-servers.net where we learn that tfbnw.net is delegated to two name servers, including a.ns.facebook.com (3), so we ask that one and get the following answer: