| step | query | auth | servers |
| 1 | 8.228.128.113.in-addr.arpa. | . | (b,a,e,f,j,d,m,i,g,h,k,c,l).root-servers.net. |
| 2 | 8.228.128.113.in-addr.arpa. | in-addr.arpa. | (e,f,d,c,b,a).in-addr-servers.arpa. |
| 3 | 8.228.128.113.in-addr.arpa. | 113.in-addr.arpa. | ns1.apnic.net. ns4.apnic.net. ns2.lacnic.net. tinnie.arin.net. sec1.authdns.ripe.net. ns3.apnic.net. apnic1.dnsnode.net. |
| 4 | 8.228.128.113.in-addr.arpa. | 128.113.in-addr.arpa. | (dns1,dns2).ctnt.com.cn. |
We pick