| step | query | auth | servers |
| 1 | 12.140.177.81.in-addr.arpa. | . | (l,j,k,m,h,c,b,g,i,a,e,f,d).root-servers.net. |
| 2 | 12.140.177.81.in-addr.arpa. | in-addr.arpa. | (f,a,b,e,c,d).in-addr-servers.arpa. |
| 3 | 12.140.177.81.in-addr.arpa. | 81.in-addr.arpa. | sec3.apnic.net. tinnie.arin.net. sec1.apnic.net. pri.authdns.ripe.net. sns-pb.isc.org. ns3.nic.fr. |
| 4 | 12.140.177.81.in-addr.arpa. | 177.81.in-addr.arpa. | ns2.rt-comm.ru. ns.ripe.net. ns.rt-comm.ru. ns2.rtcomm.ru. ns.rtcomm.ru. |
| 5 | 12.140.177.81.in-addr.arpa. | 140.177.81.in-addr.arpa. | (ns3,ns1,ns2).jino.ru. |
We pick