| step | query | auth | servers |
| 1 | 10.159.219.200.in-addr.arpa. | . | (f,j,g,k,h,c,m,d,a,i,b,e,l).root-servers.net. |
| 2 | 10.159.219.200.in-addr.arpa. | in-addr.arpa. | (d,a,b,e,f,c).in-addr-servers.arpa. |
| 3 | 10.159.219.200.in-addr.arpa. | 200.in-addr.arpa. | ns-lacnic.nic.mx. ns.lacnic.net. ns2.lacnic.net. sec1.authdns.ripe.net. sec3.apnic.net. a.arpa.dns.br. ns3.afrinic.net. tinnie.arin.net. |
| 4 | 10.159.219.200.in-addr.arpa. | 159.219.200.in-addr.arpa. | (b,d,e,a,c).dns.br. |
We pick