| step | query | auth | servers |
| 1 | 6.250.57.86.in-addr.arpa. | . | (d,e,a,k,b,j,i,m,h,f,c,g,l).root-servers.net. |
| 2 | 6.250.57.86.in-addr.arpa. | in-addr.arpa. | (d,c,e,b,f,a).in-addr-servers.arpa. |
| 3 | 6.250.57.86.in-addr.arpa. | 86.in-addr.arpa. | sns-pb.isc.org. sec3.apnic.net. tinnie.arin.net. ns3.nic.fr. pri.authdns.ripe.net. sec1.apnic.net. |
| 4 | 6.250.57.86.in-addr.arpa. | 250.57.86.in-addr.arpa. | (ns2,ns1).dc.beltelecom.by. |
We pick