| step | query | auth | servers |
| 1 | 3.170.134.67.in-addr.arpa. | . | (j,d,e,i,a,h,m,g,b,l,f,c,k).root-servers.net. |
| 2 | 3.170.134.67.in-addr.arpa. | in-addr.arpa. | (d,e,c,b,f,a).in-addr-servers.arpa. |
| 3 | 3.170.134.67.in-addr.arpa. | 67.in-addr.arpa. | (t,r,u,x,v,z,y,w).arin.net. |
| 4 | 3.170.134.67.in-addr.arpa. | 134.67.in-addr.arpa. | (authns1,authns2).qwest.net. |
We pick