| step | query | auth | servers |
| 1 | 12.33.115.200.in-addr.arpa. | . | (j,l,i,d,m,f,b,e,g,a,c,k,h).root-servers.net. |
| 2 | 12.33.115.200.in-addr.arpa. | in-addr.arpa. | (c,f,b,a,d,e).in-addr-servers.arpa. |
| 3 | 12.33.115.200.in-addr.arpa. | 200.in-addr.arpa. | ns3.afrinic.net. ns-lacnic.nic.mx. ns.lacnic.net. sec3.apnic.net. ns2.dns.br. ns2.lacnic.net. sec1.authdns.ripe.net. tinnie.arin.net. |
| 4 | 12.33.115.200.in-addr.arpa. | 33.115.200.in-addr.arpa. | (ns1,ns).bravco.net. |
We pick