| step | query | auth | servers |
| 1 | 104.73.194.173.in-addr.arpa. | . | (g,j,f,i,b,m,h,k,d,l,a,c,e).root-servers.net. |
| 2 | 104.73.194.173.in-addr.arpa. | in-addr.arpa. | (d,c,f,e,b,a).in-addr-servers.arpa. |
| 3 | 104.73.194.173.in-addr.arpa. | 173.in-addr.arpa. | (w,y,x,r,t,u,z,v).arin.net. |
| 4 | 104.73.194.173.in-addr.arpa. | 194.173.in-addr.arpa. | (ns1,ns2,ns3,ns4).google.com. |
We pick