| step | query | auth | servers |
| 1 | 42.83.7.199.in-addr.arpa. | . | (e,h,j,i,l,m,f,a,d,b,c,g,k).root-servers.net. |
| 2 | 42.83.7.199.in-addr.arpa. | in-addr.arpa. | (a,f,e,c,b,d).in-addr-servers.arpa. |
| 3 | 42.83.7.199.in-addr.arpa. | 199.in-addr.arpa. | (t,z,v,r,u,x,y,w).arin.net. |
| 4 | 42.83.7.199.in-addr.arpa. | 83.7.199.in-addr.arpa. | b.iana-servers.net. a.iana-servers.net. ns.icann.org. c.iana-servers.net. |
We pick