| step | query | auth | servers |
| 1 | 254.172.0.141.in-addr.arpa. | . | (i,d,c,h,g,f,k,e,m,b,a,j,l).root-servers.net. |
| 2 | 254.172.0.141.in-addr.arpa. | in-addr.arpa. | (d,a,f,e,b,c).in-addr-servers.arpa. |
| 3 | 254.172.0.141.in-addr.arpa. | 141.in-addr.arpa. | sec1.apnic.net. sns-pb.isc.org. tinnie.arin.net. ns3.nic.fr. sec3.apnic.net. pri.authdns.ripe.net. |
| 4 | 254.172.0.141.in-addr.arpa. | 172.0.141.in-addr.arpa. | (ns1,ns4,ns3,ns2).serverstack.com. |
We pick