| step | query | auth | servers |
| 1 | 178.140.55.200.in-addr.arpa. | . | (a,f,c,l,e,j,m,g,d,h,k,i,b).root-servers.net. |
| 2 | 178.140.55.200.in-addr.arpa. | in-addr.arpa. | (f,a,e,d,b,c).in-addr-servers.arpa. |
| 3 | 178.140.55.200.in-addr.arpa. | 200.in-addr.arpa. | ns.lacnic.net. ns3.afrinic.net. ns2.lacnic.net. tinnie.arin.net. sec3.apnic.net. ns-lacnic.nic.mx. a.arpa.dns.br. sec1.authdns.ripe.net. |
| 4 | 178.140.55.200.in-addr.arpa. | 140.55.200.in-addr.arpa. | (ns5,ns1,ns4,ns3,ns2).etecsa.net. |
| 5 | 178.176/28.140.55.200.in-addr.arpa. | 140.55.200.in-addr.arpa. | (ns1,ns2,ns4,ns3,ns5).etecsa.net. |
| 6 | 178.176/28.140.55.200.in-addr.arpa. | 176/28.140.55.200.in-addr.arpa. | (ns3,ns1,ns2).uci.cu. |
We pick