190.SUB176.23.212.202.in-addr.arpa has no NS records.
NS records for this zone are defined at 23.212.202.in-addr.arpa.
NS records for this zone are defined at 23.212.202.in-addr.arpa.
Question and response
Question
dig 190.SUB176.23.212.202.in-addr.arpa. NS
Answer
The response has no answer records.
Authority
sub176.23.212.202.in-addr.arpa. 3494 SOA asns1.customer.ne.jp. y-inoue.nttpc.co.jp. 1440725368 3600 1800 3628800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0