| step | query | auth | servers |
| 1 | 212.248.139.98.in-addr.arpa. | . | (a,e,m,c,l,b,h,j,d,i,g,k,f).root-servers.net. |
| 2 | 212.248.139.98.in-addr.arpa. | in-addr.arpa. | (c,b,e,a,f,d).in-addr-servers.arpa. |
| 3 | 212.248.139.98.in-addr.arpa. | 98.in-addr.arpa. | (y,v,t,z,r,u,x,w).arin.net. |
| 4 | 212.248.139.98.in-addr.arpa. | 139.98.in-addr.arpa. | (ns3,ns1,ns5,ns4,ns2).yahoo.com. |
We pick