| step | query | auth | servers |
| 1 | 203.172.0.141.in-addr.arpa. | . | (c,g,f,a,k,l,j,d,e,h,i,b,m).root-servers.net. |
| 2 | 203.172.0.141.in-addr.arpa. | in-addr.arpa. | (f,e,a,b,c,d).in-addr-servers.arpa. |
| 3 | 203.172.0.141.in-addr.arpa. | 141.in-addr.arpa. | tinnie.arin.net. sns-pb.isc.org. pri.authdns.ripe.net. sec3.apnic.net. sec1.apnic.net. ns3.nic.fr. |
| 4 | 203.172.0.141.in-addr.arpa. | 172.0.141.in-addr.arpa. | (ns4,ns1,ns3,ns2).serverstack.com. |
We pick