| step | query | auth | servers |
| 1 | 70.37.194.173.in-addr.arpa. | . | (f,c,a,j,i,e,m,b,d,h,l,g,k).root-servers.net. |
| 2 | 70.37.194.173.in-addr.arpa. | in-addr.arpa. | (a,b,e,d,f,c).in-addr-servers.arpa. |
| 3 | 70.37.194.173.in-addr.arpa. | 173.in-addr.arpa. | (y,z,r,w,t,x,v,u).arin.net. |
| 4 | 70.37.194.173.in-addr.arpa. | 194.173.in-addr.arpa. | (ns2,ns3,ns1,ns4).google.com. |
We pick