DNS delegation of 69.171.229 updated: Jun 20, 2013 11:47:04 AM
Delegation
step
query
auth
servers
1
229.171.69.in-addr.arpa.
.
(j,m,g,i,b,k,a,l,e,d,f,h,c).root-servers.net.
2
229.171.69.in-addr.arpa.
in-addr.arpa.
(f,d,c,b,a,e).in-addr-servers.arpa.
3
229.171.69.in-addr.arpa.
69.in-addr.arpa.
(v,t,w,u,r,z,x,y).arin.net.
4
229.171.69.in-addr.arpa.
229.171.69.in-addr.arpa.
(b,a).ns.facebook.com.
We pick j.root-servers.net, one of the 13 root servers (1), and ask it about 229.171.69.in-addr.arpa and learn that in-addr.arpa is delegated to six name servers (2), so we ask f.in-addr-servers.arpa where we learn that 69.in-addr.arpa is delegated to eight name servers, including v.arin.net (3), so we ask that one and learn that 229.171.69.in-addr.arpa is delegated to two name servers (4), so we ask b.ns.facebook.com and get the following answer: