| step | query | auth | servers |
| 1 | 172.65.92.77.in-addr.arpa. | . | (b,d,h,m,g,c,k,l,j,a,f,e,i).root-servers.net. |
| 2 | 172.65.92.77.in-addr.arpa. | in-addr.arpa. | (c,b,f,a,e,d).in-addr-servers.arpa. |
| 3 | 172.65.92.77.in-addr.arpa. | 77.in-addr.arpa. | pri.authdns.ripe.net. sns-pb.isc.org. tinnie.arin.net. ns3.nic.fr. sec1.apnic.net. sec3.apnic.net. |
| 4 | 172.65.92.77.in-addr.arpa. | 65.92.77.in-addr.arpa. | (ns1,ns2).uk2.net. |
We pick