| step | query | auth | servers |
| 1 | 10.8.120.144.in-addr.arpa. | . | (f,e,a,c,j,h,k,m,l,g,b,d,i).root-servers.net. |
| 2 | 10.8.120.144.in-addr.arpa. | in-addr.arpa. | (a,e,f,d,b,c).in-addr-servers.arpa. |
| 3 | 10.8.120.144.in-addr.arpa. | 144.in-addr.arpa. | (z,y,u,w,t,dill,v,x).arin.net. |
| 4 | 10.8.120.144.in-addr.arpa. | 120.144.in-addr.arpa. | munnari.oz.au. ns1.berkeley.edu. rip.psg.com. auth00.ns.uu.net. teri.usp.ac.fj. |
We pick