147.144.217.78.202.in-addr.arpa has no NS records.
NS records for this zone are defined at 144.217.78.202.in-addr.arpa.
NS records for this zone are defined at 144.217.78.202.in-addr.arpa.
Question and response
Question
dig 147.144.217.78.202.in-addr.arpa. NS
Answer
The response has no answer records.
Authority
144.217.78.202.in-addr.arpa. 86400 SOA ns01.key-p.co.jp. root.ns01.key-p.co.jp. 2017011801 3600 900 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0