9.0-15.204.183.62.in-addr.arpa has no NS records.
NS records for this zone are defined at 0-15.204.183.62.in-addr.arpa.
NS records for this zone are defined at 0-15.204.183.62.in-addr.arpa.
Question and response
Question
dig 9.0-15.204.183.62.in-addr.arpa. NS
Answer
The response has no answer records.
Authority
0-15.204.183.62.in-addr.arpa. 3600 SOA ns.vturl.fi. hostmaster.0-15.204.183.62.in-addr.arpa. 1736380800 18000 10800 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0