mars# dig +trace -x 2001:5c0:92ad::1
; <<>> DiG 9.3.2 <<>> +trace -x 2001:5c0:92ad::1
;; global options: printcmd
. 483908 IN NS b.root-servers.net.
. 483908 IN NS c.root-servers.net.
. 483908 IN NS d.root-servers.net.
. 483908 IN NS e.root-servers.net.
. 483908 IN NS f.root-servers.net.
. 483908 IN NS g.root-servers.net.
. 483908 IN NS h.root-servers.net.
. 483908 IN NS i.root-servers.net.
. 483908 IN NS j.root-servers.net.
. 483908 IN NS k.root-servers.net.
. 483908 IN NS l.root-servers.net.
. 483908 IN NS m.root-servers.net.
. 483908 IN NS a.root-servers.net.
;; Received 436 bytes from 65.24.7.3#53(65.24.7.3) in 16 ms
ip6.arpa. 172800 IN NS NS.ICANN.ORG.
ip6.arpa. 172800 IN NS NS.LACNIC.NET.
ip6.arpa. 172800 IN NS NS1.APNIC.NET.
ip6.arpa. 172800 IN NS NS-SEC.RIPE.NET.
ip6.arpa. 172800 IN NS TINNIE.ARIN.NET.
;; Received 219 bytes from 192.228.79.201#53(b.root-servers.net) in 89 ms
5.0.1.0.0.2.ip6.arpa. 84600 IN NS ns.lacnic.net.
5.0.1.0.0.2.ip6.arpa. 84600 IN NS chia.arin.net.
5.0.1.0.0.2.ip6.arpa. 84600 IN NS dill.arin.net.
5.0.1.0.0.2.ip6.arpa. 84600 IN NS sec1.apnic.net.
5.0.1.0.0.2.ip6.arpa. 84600 IN NS sec3.apnic.net.
5.0.1.0.0.2.ip6.arpa. 84600 IN NS basil.arin.net.
5.0.1.0.0.2.ip6.arpa. 84600 IN NS henna.arin.net.
5.0.1.0.0.2.ip6.arpa. 84600 IN NS indigo.arin.net.
5.0.1.0.0.2.ip6.arpa. 84600 IN NS ns-sec.ripe.net.
5.0.1.0.0.2.ip6.arpa. 84600 IN NS epazote.arin.net.
5.0.1.0.0.2.ip6.arpa. 84600 IN NS figwort.arin.net.
;; Received 503 bytes from 192.0.34.126#53(NS.ICANN.ORG) in 83 ms
0.c.5.0.1.0.0.2.ip6.arpa. 10800 IN NS ns1.hexago.com.
0.c.5.0.1.0.0.2.ip6.arpa. 10800 IN NS ns2.hexago.com.
;; Received 136 bytes from 200.160.0.7#53(ns.lacnic.net) in 165 ms
d.a.2.9.0.c.5.0.1.0.0.2.ip6.arpa. 3600 IN NS dns2.worxtech.com.
;; Received 121 bytes from 2001:5c0:0:1::2#53(ns1.hexago.com) in 43 ms
;; connection timed out; no servers could be reached