| step | query | auth | servers |
| 1 | 229.122.121.91.in-addr.arpa. | . | (k,e,j,c,m,f,g,h,d,b,a,i,l).root-servers.net. |
| 2 | 229.122.121.91.in-addr.arpa. | in-addr.arpa. | (c,e,a,d,b,f).in-addr-servers.arpa. |
| 3 | 229.122.121.91.in-addr.arpa. | 91.in-addr.arpa. | sec1.apnic.net. sec3.apnic.net. ns3.nic.fr. pri.authdns.ripe.net. tinnie.arin.net. sns-pb.isc.org. |
| 4 | 229.122.121.91.in-addr.arpa. | 122.121.91.in-addr.arpa. | (dns10,ns10).ovh.net. |
We pick