| step | query | auth | servers |
|---|
| 1 | 100.27.6.69.in-addr.arpa. | . | (e,k,l,j,c,i,f,b,h,d,m,g,a).root-servers.net. |
| 2 | 100.27.6.69.in-addr.arpa. | in-addr.arpa. | (d,c,e,a,b,f).in-addr-servers.arpa. |
| 3 | 100.27.6.69.in-addr.arpa. | 69.in-addr.arpa. | (v,y,t,w,r,x,z,u).arin.net. |
| 4 | 100.27.6.69.in-addr.arpa. | 27.6.69.in-addr.arpa. | (ns2,ns1).wholesalebandwidth.com. |
We pick 
