| step | query | auth | servers |
| 1 | 100.247.153.192.in-addr.arpa. | . | (f,a,k,c,l,e,d,g,i,m,j,h,b).root-servers.net. |
| 2 | 100.247.153.192.in-addr.arpa. | in-addr.arpa. | (e,f,c,a,b,d).in-addr-servers.arpa. |
| 3 | 100.247.153.192.in-addr.arpa. | 192.in-addr.arpa. | (r,z,v,w,t,y,x,u).arin.net. |
| 4 | 100.247.153.192.in-addr.arpa. | 247.153.192.in-addr.arpa. | ns1.crsnic.net. ns2.nsiregistry.net. |
We pick