$ dig +trace -x 200.14.55.194
; <<>> DiG 9.4.1-P1 <<>> +trace -x 200.14.55.194
;; global options: printcmd
. 65491 IN NS d.root-servers.net.
. 65491 IN NS e.root-servers.net.
. 65491 IN NS f.root-servers.net.
. 65491 IN NS g.root-servers.net.
. 65491 IN NS h.root-servers.net.
. 65491 IN NS i.root-servers.net.
. 65491 IN NS j.root-servers.net.
. 65491 IN NS k.root-servers.net.
. 65491 IN NS l.root-servers.net.
. 65491 IN NS m.root-servers.net.
. 65491 IN NS a.root-servers.net.
. 65491 IN NS b.root-servers.net.
. 65491 IN NS c.root-servers.net.
;; Received 321 bytes from 192.168.0.15#53(192.168.0.15) in 2 ms
200.in-addr.arpa. 86400 IN NS NS-SEC.RIPE.NET.
200.in-addr.arpa. 86400 IN NS TINNIE.ARIN.NET.
200.in-addr.arpa. 86400 IN NS NS.LACNIC.NET.
200.in-addr.arpa. 86400 IN NS NS2.DNS.BR.
200.in-addr.arpa. 86400 IN NS NS3.AFRINIC.NET.
200.in-addr.arpa. 86400 IN NS SEC3.APNIC.NET.
;; Received 198 bytes from 192.36.148.17#53(i.root-servers.net) in 2 ms
55.14.200.in-addr.arpa. 86400 IN NS MASTERDNS.MES.EDU.CU.
;; Received 78 bytes from 200.160.0.7#53(NS.LACNIC.NET) in 244 ms
194.55.14.200.in-addr.arpa. 86400 IN CNAME 194.192/27.55.14.200.in-addr.arpa.
192/27.55.14.200.in-addr.arpa. 86400 IN NS dns.mes.edu.cu.
;; Received 113 bytes from 200.14.48.193#53(MASTERDNS.MES.EDU.CU) in 647 ms