DNS delegation of 149.11 updated: May 18, 2013 5:09:34 PM
Delegation
step
query
auth
servers
1
11.149.in-addr.arpa.
.
(f,e,l,b,j,k,i,c,m,d,a,h,g).root-servers.net.
2
11.149.in-addr.arpa.
in-addr.arpa.
(d,f,e,c,a,b).in-addr-servers.arpa.
3
11.149.in-addr.arpa.
149.in-addr.arpa.
(x,w,r,v,t,u,z,y).arin.net.
4
11.149.in-addr.arpa.
11.149.in-addr.arpa.
(auth1,auth4,auth3,auth2).dns.cogentco.com.
We pick f.root-servers.net, one of the 13 root servers (1), and ask it about 11.149.in-addr.arpa and learn that in-addr.arpa is delegated to six name servers (2), so we ask d.in-addr-servers.arpa where we learn that 149.in-addr.arpa is delegated to eight name servers, including x.arin.net (3), so we ask that one and learn that 11.149.in-addr.arpa is delegated to four name servers (4), so we ask auth1.dns.cogentco.com and get the following answer:
