| step | query | auth | servers |
| 1 | 154.243.84.212.in-addr.arpa. | . | (a,g,l,h,f,j,b,c,d,k,m,e,i).root-servers.net. |
| 2 | 154.243.84.212.in-addr.arpa. | in-addr.arpa. | (b,a,c,e,d,f).in-addr-servers.arpa. |
| 3 | 154.243.84.212.in-addr.arpa. | 212.in-addr.arpa. | sec3.apnic.net. sns-pb.isc.org. ns3.nic.fr. tinnie.arin.net. pri.authdns.ripe.net. sec1.apnic.net. |
| 4 | 154.243.84.212.in-addr.arpa. | 243.84.212.in-addr.arpa. | (ns02,ns01).qsc.de. |
We pick