| step | query | auth | servers |
| 1 | 148.138.40.188.in-addr.arpa. | . | (d,j,i,h,k,f,a,b,e,l,g,c,m).root-servers.net. |
| 2 | 148.138.40.188.in-addr.arpa. | in-addr.arpa. | (d,e,a,b,c,f).in-addr-servers.arpa. |
| 3 | 148.138.40.188.in-addr.arpa. | 188.in-addr.arpa. | ns3.nic.fr. tinnie.arin.net. sec3.apnic.net. sec1.apnic.net. pri.authdns.ripe.net. sns-pb.isc.org. |
| 4 | 148.138.40.188.in-addr.arpa. | 138.40.188.in-addr.arpa. | ns1.your-server.de. ns.second-ns.com. ns3.second-ns.de. |
We pick