| step | query | auth | servers |
| 1 | 100.143.55.203.in-addr.arpa. | . | (b,h,f,l,a,d,c,e,i,j,m,k,g).root-servers.net. |
| 2 | 100.143.55.203.in-addr.arpa. | in-addr.arpa. | (c,a,b,e,d,f).in-addr-servers.arpa. |
| 3 | 100.143.55.203.in-addr.arpa. | 203.in-addr.arpa. | apnic1.dnsnode.net. ns4.apnic.net. sec1.authdns.ripe.net. tinnie.arin.net. ns3.apnic.net. dns1.telstra.net. ns1.apnic.net. |
| 4 | 100.143.55.203.in-addr.arpa. | 143.55.203.in-addr.arpa. | (ns2,ns1,ns3).netregistry.net. |
We pick