| step | query | auth | servers |
| 1 | 37.145.104.78.in-addr.arpa. | . | (g,b,h,a,j,d,k,m,l,c,f,i,e).root-servers.net. |
| 2 | 37.145.104.78.in-addr.arpa. | arpa. | (g,b,h,a,d,k,m,l,c,f,i,e).root-servers.net. |
| 3 | 37.145.104.78.in-addr.arpa. | in-addr.arpa. | (b,f,e,c,d,a).in-addr-servers.arpa. |
| 4 | 37.145.104.78.in-addr.arpa. | 78.in-addr.arpa. | sns-pb.isc.org. sec3.apnic.net. sec1.apnic.net. ns3.nic.fr. pri.authdns.ripe.net. tinnie.arin.net. |
| 5 | 37.145.104.78.in-addr.arpa. | 104.78.in-addr.arpa. | ns4.univie.ac.at. ns8.univie.ac.at. ns7.univie.ac.at. ns.ripe.net. ns3.univie.ac.at. |
| 6 | 37.145.104.78.in-addr.arpa. | 145.104.78.in-addr.arpa. | (ns4ext,ns3ext).univie.ac.at. |
We pick