| step | query | auth | servers |
| 1 | 123.41.17.193.in-addr.arpa. | . | (i,l,d,j,e,b,a,g,k,m,c,h,f).root-servers.net. |
| 2 | 123.41.17.193.in-addr.arpa. | in-addr.arpa. | (c,e,d,f,b,a).in-addr-servers.arpa. |
| 3 | 123.41.17.193.in-addr.arpa. | 193.in-addr.arpa. | ns3.nic.fr. sns-pb.isc.org. sec3.apnic.net. pri.authdns.ripe.net. sec1.apnic.net. tinnie.arin.net. |
| 4 | 123.41.17.193.in-addr.arpa. | 41.17.193.in-addr.arpa. | (ns2,ns1).go2.pl. |
We pick