| step | query | auth | servers |
| 1 | 90.241.66.195.in-addr.arpa. | . | (c,f,h,m,j,k,l,e,b,d,a,g,i).root-servers.net. |
| 2 | 90.241.66.195.in-addr.arpa. | in-addr.arpa. | (f,b,e,a,c,d).in-addr-servers.arpa. |
| 3 | 90.241.66.195.in-addr.arpa. | 195.in-addr.arpa. | sns-pb.isc.org. tinnie.arin.net. ns3.nic.fr. sec1.apnic.net. pri.authdns.ripe.net. sec3.apnic.net. |
| 4 | 90.241.66.195.in-addr.arpa. | 241.66.195.in-addr.arpa. | ns2.linx.net. ns0.linx.net. fork.sth.dnsnode.net. |
We pick