| step | query | auth | servers |
| 1 | 139.236.67.216.in-addr.arpa. | . | (i,f,e,j,m,a,b,h,d,k,l,g,c).root-servers.net. |
| 2 | 139.236.67.216.in-addr.arpa. | in-addr.arpa. | (f,c,a,e,d,b).in-addr-servers.arpa. |
| 3 | 139.236.67.216.in-addr.arpa. | 216.in-addr.arpa. | (u,w,z,y,r,t,x,v).arin.net. |
| 4 | 139.236.67.216.in-addr.arpa. | 236.67.216.in-addr.arpa. | (ns2,ns1).pwebtech.com. |
We pick