| step | query | auth | servers |
| 1 | 4.5.204.193.in-addr.arpa. | . | (d,i,j,g,l,h,b,m,f,c,k,a,e).root-servers.net. |
| 2 | 4.5.204.193.in-addr.arpa. | in-addr.arpa. | (e,d,a,c,b,f).in-addr-servers.arpa. |
| 3 | 4.5.204.193.in-addr.arpa. | 193.in-addr.arpa. | sec1.apnic.net. tinnie.arin.net. ns3.nic.fr. sec3.apnic.net. pri.authdns.ripe.net. sns-pb.isc.org. |
| 4 | 4.5.204.193.in-addr.arpa. | 204.193.in-addr.arpa. | ns1.garr.net. ns.ripe.net. ns2.garr.net. |
| 5 | 4.5.204.193.in-addr.arpa. | 5.204.193.in-addr.arpa. | server2.garr.net. decsrv.caspur.it. |
We pick