DNS delegation of 162.31 updated: May 22, 2013 10:11:21 AM
Delegation
step
query
auth
servers
1
31.162.in-addr.arpa.
.
(b,m,a,l,h,f,j,k,e,i,d,g,c).root-servers.net.
2
31.162.in-addr.arpa.
in-addr.arpa.
(c,e,d,f,b,a).in-addr-servers.arpa.
3
31.162.in-addr.arpa.
162.in-addr.arpa.
(x,y,z,u,v,w,t,r).arin.net.
We pick b.root-servers.net, one of the 13 root servers (1), and ask it about 31.162.in-addr.arpa and learn that in-addr.arpa is delegated to six name servers (2), so we ask c.in-addr-servers.arpa where we learn that 162.in-addr.arpa is delegated to eight name servers, including x.arin.net (3), so we ask that one and get the following answer: