| step | query | auth | servers |
| 1 | 101.16.200.91.in-addr.arpa. | . | (i,k,d,b,l,h,m,e,c,a,f,j,g).root-servers.net. |
| 2 | 101.16.200.91.in-addr.arpa. | in-addr.arpa. | (a,c,b,f,e,d).in-addr-servers.arpa. |
| 3 | 101.16.200.91.in-addr.arpa. | 91.in-addr.arpa. | sns-pb.isc.org. tinnie.arin.net. sec1.apnic.net. ns3.nic.fr. pri.authdns.ripe.net. sec3.apnic.net. |
| 4 | 101.16.200.91.in-addr.arpa. | 16.200.91.in-addr.arpa. | (nemix2,nemix1).ams-ix.net. |
We pick