| step | query | auth | servers |
| 1 | 150.215.74.97.in-addr.arpa. | . | (f,d,b,g,m,l,a,k,e,c,j,h,i).root-servers.net. |
| 2 | 150.215.74.97.in-addr.arpa. | in-addr.arpa. | (f,e,d,c,a,b).in-addr-servers.arpa. |
| 3 | 150.215.74.97.in-addr.arpa. | 97.in-addr.arpa. | (t,u,y,dill,w,v,z,x).arin.net. |
| 4 | 150.215.74.97.in-addr.arpa. | 74.97.in-addr.arpa. | (cns3,cns1,cns2).secureserver.net. |
We pick