| step | query | auth | servers |
| 1 | 19.160.43.69.in-addr.arpa. | . | (g,h,k,d,e,c,l,i,m,f,a,b,j).root-servers.net. |
| 2 | 19.160.43.69.in-addr.arpa. | in-addr.arpa. | (d,f,b,c,a,e).in-addr-servers.arpa. |
| 3 | 19.160.43.69.in-addr.arpa. | 69.in-addr.arpa. | (v,u,w,z,x,y,r,t).arin.net. |
| 4 | 19.160.43.69.in-addr.arpa. | 160.43.69.in-addr.arpa. | (ns2,ns1).trellian.com. |
We pick