| step | query | auth | servers |
| 1 | 133.228.10.200.in-addr.arpa. | . | (g,i,m,a,l,d,b,c,e,f,h,j,k).root-servers.net. |
| 2 | 133.228.10.200.in-addr.arpa. | in-addr.arpa. | (f,a,d,b,c,e).in-addr-servers.arpa. |
| 3 | 133.228.10.200.in-addr.arpa. | 200.in-addr.arpa. | ns-lacnic.nic.mx. sec3.apnic.net. ns2.lacnic.net. tinnie.arin.net. sec1.authdns.ripe.net. a.arpa.dns.br. ns.lacnic.net. ns3.afrinic.net. |
| 4 | 133.228.10.200.in-addr.arpa. | 228.10.200.in-addr.arpa. | (ns,sce).cnc.una.py. |
We pick