| step | query | auth | servers |
| 1 | 32.245.171.69.in-addr.arpa. | . | (k,g,h,a,f,j,c,d,e,l,m,i,b).root-servers.net. |
| 2 | 32.245.171.69.in-addr.arpa. | in-addr.arpa. | (d,f,e,c,b,a).in-addr-servers.arpa. |
| 3 | 32.245.171.69.in-addr.arpa. | 69.in-addr.arpa. | (w,u,v,t,y,r,z,x).arin.net. |
| 4 | 32.245.171.69.in-addr.arpa. | 245.171.69.in-addr.arpa. | (b,a).ns.facebook.com. |
We pick