| step | query | auth | servers |
| 1 | 4.135.190.193.in-addr.arpa. | . | (d,b,f,i,c,j,l,g,k,h,e,a,m).root-servers.net. |
| 2 | 4.135.190.193.in-addr.arpa. | in-addr.arpa. | (e,b,c,f,a,d).in-addr-servers.arpa. |
| 3 | 4.135.190.193.in-addr.arpa. | 193.in-addr.arpa. | sns-pb.isc.org. tinnie.arin.net. ns3.nic.fr. pri.authdns.ripe.net. sec3.apnic.net. sec1.apnic.net. |
| 4 | 4.135.190.193.in-addr.arpa. | 190.193.in-addr.arpa. | ns.ripe.net. ns1.belnet.be. dns-slave2.kulnet.kuleuven.be. ns2.belnet.be. dns-slave1.kulnet.kuleuven.be. |
| 5 | 4.135.190.193.in-addr.arpa. | 135.190.193.in-addr.arpa. | (ns1,ns2).belnet.be. |
| 6 | 4.dns-be.135.190.193.in-addr.arpa. | 135.190.193.in-addr.arpa. | (ns2,ns1).belnet.be. |
| 7 | 4.dns-be.135.190.193.in-addr.arpa. | dns-be.135.190.193.in-addr.arpa. | (woluwe,master,paris,brussels,schaarbeek,hasselt,vilvoorde,amsterdam).ns.dns.be. |
We pick