| step | query | auth | servers |
| 1 | 47.159.135.61.in-addr.arpa. | . | (l,e,g,i,k,m,b,j,f,a,c,d,h).root-servers.net. |
| 2 | 47.159.135.61.in-addr.arpa. | in-addr.arpa. | (c,e,d,b,a,f).in-addr-servers.arpa. |
| 3 | 47.159.135.61.in-addr.arpa. | 61.in-addr.arpa. | ns3.apnic.net. ns2.lacnic.net. apnic1.dnsnode.net. tinnie.arin.net. ns4.apnic.net. ns1.apnic.net. sec1.authdns.ripe.net. |
| 4 | 47.159.135.61.in-addr.arpa. | 135.61.in-addr.arpa. | (ns2,ns).bta.net.cn. |
| 5 | 47.159.135.61.in-addr.arpa. | 159.135.61.in-addr.arpa. | (ns2,ns1).tom.com. |
We pick