DNS delegation of facebookn.com updated: May 18, 2013 8:30:03 PM
Delegation
step
query
auth
servers
1
facebookn.com.
.
(m,g,c,f,i,d,e,l,j,h,b,k,a).root-servers.net.
2
facebookn.com.
com.
(c,g,b,f,m,l,a,d,h,j,i,k,e).gtld-servers.net.
3
facebookn.com.
facebookn.com.
(ns2,ns1).bestuptimeservers.com.
We pick m.root-servers.net, one of the 13 root servers (1), and ask it about facebookn.com and learn that com is delegated to 13 name servers (2), so we ask c.gtld-servers.net where we learn that facebookn.com is delegated to two name servers, including ns2.bestuptimeservers.com (3), so we ask that one and get the following answer:
