| step | query | auth | servers |
| 1 | 3.70.243.148.in-addr.arpa. | . | (i,c,k,l,j,m,a,g,f,h,b,e,d).root-servers.net. |
| 2 | 3.70.243.148.in-addr.arpa. | in-addr.arpa. | (e,a,f,d,b,c).in-addr-servers.arpa. |
| 3 | 3.70.243.148.in-addr.arpa. | 148.in-addr.arpa. | (z,x,r,v,t,y,u,w).arin.net. |
| 4 | 3.70.243.148.in-addr.arpa. | 243.148.in-addr.arpa. | (ns-gdl,ns-mty,ns-mex).axtel.net. |
We pick