| step | query | auth | servers |
| 1 | 207.172.0.141.in-addr.arpa. | . | (i,a,g,e,k,m,j,l,d,c,b,h,f).root-servers.net. |
| 2 | 207.172.0.141.in-addr.arpa. | in-addr.arpa. | (f,c,e,b,a,d).in-addr-servers.arpa. |
| 3 | 207.172.0.141.in-addr.arpa. | 141.in-addr.arpa. | sec3.apnic.net. ns3.nic.fr. sns-pb.isc.org. tinnie.arin.net. pri.authdns.ripe.net. sec1.apnic.net. |
| 4 | 207.172.0.141.in-addr.arpa. | 172.0.141.in-addr.arpa. | (ns3,ns1,ns4,ns2).serverstack.com. |
We pick