| step | query | auth | servers |
| 1 | 237.33.47.78.in-addr.arpa. | . | (f,j,b,e,a,k,i,g,h,d,l,m,c).root-servers.net. |
| 2 | 237.33.47.78.in-addr.arpa. | in-addr.arpa. | (c,e,f,a,b,d).in-addr-servers.arpa. |
| 3 | 237.33.47.78.in-addr.arpa. | 78.in-addr.arpa. | sec3.apnic.net. pri.authdns.ripe.net. tinnie.arin.net. sec1.apnic.net. ns3.nic.fr. sns-pb.isc.org. |
| 4 | 237.33.47.78.in-addr.arpa. | 33.47.78.in-addr.arpa. | ns.second-ns.com. ns1.your-server.de. ns3.second-ns.de. |
We pick