| step | query | auth | servers |
| 1 | 49.39.194.173.in-addr.arpa. | . | (f,b,a,h,i,e,l,g,c,m,k,d,j).root-servers.net. |
| 2 | 49.39.194.173.in-addr.arpa. | in-addr.arpa. | (b,f,c,a,e,d).in-addr-servers.arpa. |
| 3 | 49.39.194.173.in-addr.arpa. | 173.in-addr.arpa. | (w,z,v,r,u,x,y,t).arin.net. |
| 4 | 49.39.194.173.in-addr.arpa. | 194.173.in-addr.arpa. | (ns2,ns1,ns3,ns4).google.com. |
We pick