ROUTER-F1# dig -x 216.66.9.35 +trace
; <<>> DiG 9.3.1 <<>> -x 216.66.9.35 +trace
;; global options: printcmd
. 3486191 IN NS g.root-servers.net.
. 3486191 IN NS c.root-servers.net.
. 3486191 IN NS e.root-servers.net.
. 3486191 IN NS k.root-servers.net.
. 3486191 IN NS l.root-servers.net.
. 3486191 IN NS f.root-servers.net.
. 3486191 IN NS h.root-servers.net.
. 3486191 IN NS b.root-servers.net.
. 3486191 IN NS m.root-servers.net.
. 3486191 IN NS j.root-servers.net.
. 3486191 IN NS d.root-servers.net.
. 3486191 IN NS a.root-servers.net.
. 3486191 IN NS i.root-servers.net.
;; Received 452 bytes from 65.19.176.2#53(65.19.176.2) in 2 ms
216.in-addr.arpa. 86400 IN NS epazote.ARIN.NET.
216.in-addr.arpa. 86400 IN NS henna.ARIN.NET.
216.in-addr.arpa. 86400 IN NS chia.ARIN.NET.
216.in-addr.arpa. 86400 IN NS BASIL.ARIN.NET.
216.in-addr.arpa. 86400 IN NS indigo.ARIN.NET.
216.in-addr.arpa. 86400 IN NS figwort.ARIN.NET.
216.in-addr.arpa. 86400 IN NS dill.ARIN.NET.
;; Received 193 bytes from 192.112.36.4#53(g.root-servers.net) in 63 ms
9.66.216.in-addr.arpa. 86400 IN NS storm.lightning.net.
9.66.216.in-addr.arpa. 86400 IN NS thunder.lightning.net.
;; Received 97 bytes from 192.41.162.32#53(epazote.ARIN.NET) in 77 ms
35.9.66.216.in-addr.arpa. 86400 IN NS router-c1.systeminplace.net.
;; Received 83 bytes from 209.51.180.102#53(storm.lightning.net) in 99 ms
35.9.66.216.in-addr.arpa. 86400 IN NS rapidxen.net.
;; Received 84 bytes from 64.71.161.2#53(router-c1.systeminplace.net) in 60 ms
35.9.66.216.in-addr.arpa. 180 IN PTR no-dns-yet.rapidxen.net.
9.66.216.in-addr.arpa. 180 IN NS rapidxen.net.
;; Received 93 bytes from 64.71.161.129#53(rapidxen.net) in 60 ms
ROUTER-F1#