DNS delegation of 172.254 updated: May 23, 2013 12:24:19 PM
Delegation
step
query
auth
servers
1
254.172.in-addr.arpa.
.
(e,a,f,k,c,j,i,l,m,d,h,b,g).root-servers.net.
2
254.172.in-addr.arpa.
in-addr.arpa.
(e,d,f,c,a,b).in-addr-servers.arpa.
3
254.172.in-addr.arpa.
172.in-addr.arpa.
(v,z,x,w,t,u,r,y).arin.net.
4
254.172.in-addr.arpa.
254.172.in-addr.arpa.
(dns2,dns3,dns6,dns1,dns5).rr.com.
We pick e.root-servers.net, one of the 13 root servers (1), and ask it about 254.172.in-addr.arpa and learn that in-addr.arpa is delegated to six name servers (2), so we ask e.in-addr-servers.arpa where we learn that 172.in-addr.arpa is delegated to eight name servers, including v.arin.net (3), so we ask that one and learn that 254.172.in-addr.arpa is delegated to five name servers (4), so we ask dns2.rr.com and get the following answer: