| step | query | auth | servers |
| 1 | 80.37.194.173.in-addr.arpa. | . | (b,f,l,k,a,m,c,g,j,e,d,h,i).root-servers.net. |
| 2 | 80.37.194.173.in-addr.arpa. | in-addr.arpa. | (d,f,b,e,c,a).in-addr-servers.arpa. |
| 3 | 80.37.194.173.in-addr.arpa. | 173.in-addr.arpa. | (w,z,v,r,y,t,x,u).arin.net. |
| 4 | 80.37.194.173.in-addr.arpa. | 194.173.in-addr.arpa. | (ns1,ns2,ns3,ns4).google.com. |
We pick