| step | query | auth | servers |
| 1 | 180.66.213.62.in-addr.arpa. | . | (k,d,e,h,c,f,i,a,g,m,b,j,l).root-servers.net. |
| 2 | 180.66.213.62.in-addr.arpa. | in-addr.arpa. | (f,e,d,a,c,b).in-addr-servers.arpa. |
| 3 | 180.66.213.62.in-addr.arpa. | 62.in-addr.arpa. | sec1.apnic.net. ns3.nic.fr. sec3.apnic.net. pri.authdns.ripe.net. sns-pb.isc.org. tinnie.arin.net. |
| 4 | 180.66.213.62.in-addr.arpa. | 66.213.62.in-addr.arpa. | (ns,ns2).caravan.ru. |
We pick