| step | query | auth | servers |
| 1 | 215.16.0.194.in-addr.arpa. | . | (h,l,k,b,a,g,e,j,d,c,f,m,i).root-servers.net. |
| 2 | 215.16.0.194.in-addr.arpa. | in-addr.arpa. | (d,f,a,e,c,b).in-addr-servers.arpa. |
| 3 | 215.16.0.194.in-addr.arpa. | 194.in-addr.arpa. | sec1.apnic.net. pri.authdns.ripe.net. sns-pb.isc.org. sec3.apnic.net. tinnie.arin.net. ns3.nic.fr. |
| 4 | 215.16.0.194.in-addr.arpa. | 16.0.194.in-addr.arpa. | dns.nic.it. itgeo.mix-it.net. itgeo.tix.it. |
We pick