| step | query | auth | servers |
| 1 | 251.246.173.184.in-addr.arpa. | . | (m,f,g,c,e,k,d,i,a,b,l,j,h).root-servers.net. |
| 2 | 251.246.173.184.in-addr.arpa. | in-addr.arpa. | (e,a,c,f,b,d).in-addr-servers.arpa. |
| 3 | 251.246.173.184.in-addr.arpa. | 184.in-addr.arpa. | (y,z,w,u,t,r,v,x).arin.net. |
| 4 | 251.246.173.184.in-addr.arpa. | 173.184.in-addr.arpa. | (ns1,ns2).arpa.global-datacenter.com. |
We pick