| step | query | auth | servers |
| 1 | 6.40.201.193.in-addr.arpa. | . | (m,d,k,f,a,e,i,l,c,h,j,b,g).root-servers.net. |
| 2 | 6.40.201.193.in-addr.arpa. | in-addr.arpa. | (e,d,c,b,a,f).in-addr-servers.arpa. |
| 3 | 6.40.201.193.in-addr.arpa. | 193.in-addr.arpa. | pri.authdns.ripe.net. sec3.apnic.net. ns3.nic.fr. tinnie.arin.net. sns-pb.isc.org. sec1.apnic.net. |
| 4 | 6.40.201.193.in-addr.arpa. | 40.201.193.in-addr.arpa. | osiris.namex.it. decsrv.caspur.it. seth.namex.it. |
We pick