DNS delegation of 199.19 updated: Jun 18, 2013 5:39:43 AM
Delegation
step
query
auth
servers
1
19.199.in-addr.arpa.
.
(a,d,l,j,k,i,c,e,h,b,g,f,m).root-servers.net.
2
19.199.in-addr.arpa.
in-addr.arpa.
(a,b,d,e,f,c).in-addr-servers.arpa.
3
19.199.in-addr.arpa.
199.in-addr.arpa.
(v,x,r,y,w,u,z,t).arin.net.
We pick a.root-servers.net, one of the 13 root servers (1), and ask it about 19.199.in-addr.arpa and learn that in-addr.arpa is delegated to six name servers (2), so we ask a.in-addr-servers.arpa where we learn that 199.in-addr.arpa is delegated to eight name servers, including v.arin.net (3), so we ask that one and get the following answer: