| step | query | auth | servers |
| 1 | 93.236.91.81.in-addr.arpa. | . | (l,i,e,c,j,a,m,k,h,f,g,b,d).root-servers.net. |
| 2 | 93.236.91.81.in-addr.arpa. | in-addr.arpa. | (b,f,c,a,e,d).in-addr-servers.arpa. |
| 3 | 93.236.91.81.in-addr.arpa. | 81.in-addr.arpa. | sec3.apnic.net. sec1.apnic.net. sns-pb.isc.org. pri.authdns.ripe.net. ns3.nic.fr. tinnie.arin.net. |
| 4 | 93.236.91.81.in-addr.arpa. | 236.91.81.in-addr.arpa. | bow.rain.fr. ns-bj.afrinic.net. nakayo.leland.bj. ns1.intnet.bj. |
We pick