| step | query | auth | servers |
| 1 | 200.172.0.141.in-addr.arpa. | . | (c,f,j,e,d,g,l,m,b,h,k,i,a).root-servers.net. |
| 2 | 200.172.0.141.in-addr.arpa. | in-addr.arpa. | (b,d,c,a,e,f).in-addr-servers.arpa. |
| 3 | 200.172.0.141.in-addr.arpa. | 141.in-addr.arpa. | pri.authdns.ripe.net. sec1.apnic.net. ns3.nic.fr. tinnie.arin.net. sns-pb.isc.org. sec3.apnic.net. |
| 4 | 200.172.0.141.in-addr.arpa. | 172.0.141.in-addr.arpa. | (ns3,ns4,ns1,ns2).serverstack.com. |
We pick