| step | query | auth | servers |
| 1 | 67.37.194.173.in-addr.arpa. | . | (d,i,j,a,f,h,g,k,m,c,e,l,b).root-servers.net. |
| 2 | 67.37.194.173.in-addr.arpa. | in-addr.arpa. | (b,c,d,f,a,e).in-addr-servers.arpa. |
| 3 | 67.37.194.173.in-addr.arpa. | 173.in-addr.arpa. | (r,x,z,w,t,y,v,u).arin.net. |
| 4 | 67.37.194.173.in-addr.arpa. | 194.173.in-addr.arpa. | (ns4,ns2,ns3,ns1).google.com. |
We pick