DNS delegation of facecook.com updated: May 25, 2013 7:29:56 AM
Delegation
step
query
auth
servers
1
facecook.com.
.
(d,b,g,f,e,j,a,i,k,h,c,m,l).root-servers.net.
2
facecook.com.
com.
(i,c,j,d,b,a,m,h,l,k,e,f,g).gtld-servers.net.
3
facecook.com.
facecook.com.
(a,b).ns.facebook.com.
We pick d.root-servers.net, one of the 13 root servers (1), and ask it about facecook.com and learn that com is delegated to 13 name servers (2), so we ask i.gtld-servers.net where we learn that facecook.com is delegated to two name servers, including a.ns.facebook.com (3), so we ask that one and get the following answer:
