| step | query | auth | servers |
| 1 | 25.104.154.156.in-addr.arpa. | . | (j,a,l,k,e,h,f,b,m,d,i,g,c).root-servers.net. |
| 2 | 25.104.154.156.in-addr.arpa. | in-addr.arpa. | (e,d,c,f,b,a).in-addr-servers.arpa. |
| 3 | 25.104.154.156.in-addr.arpa. | 156.in-addr.arpa. | (w,x,dill,t,z,y,v,u).arin.net. |
| 4 | 25.104.154.156.in-addr.arpa. | 154.156.in-addr.arpa. | pdns3.ultradns.org. pdns6.ultradns.co.uk. pdns2.ultradns.net. pdns4.ultradns.org. pdns5.ultradns.info. pdns1.ultradns.net. |
We pick