| step | query | auth | servers |
| 1 | 10.0.160.200.in-addr.arpa. | . | (g,k,d,j,f,i,h,b,e,m,c,l,a).root-servers.net. |
| 2 | 10.0.160.200.in-addr.arpa. | in-addr.arpa. | (e,c,f,b,a,d).in-addr-servers.arpa. |
| 3 | 10.0.160.200.in-addr.arpa. | 200.in-addr.arpa. | a.arpa.dns.br. sec1.authdns.ripe.net. ns.lacnic.net. sec3.apnic.net. tinnie.arin.net. ns3.afrinic.net. ns-lacnic.nic.mx. ns2.lacnic.net. |
| 4 | 10.0.160.200.in-addr.arpa. | 0.160.200.in-addr.arpa. | (d,e,c,b,a).dns.br. |
We pick