56.48.54.247.212.in-addr.arpa has no NS records.
NS records for this zone are defined at 48.54.247.212.in-addr.arpa.
NS records for this zone are defined at 48.54.247.212.in-addr.arpa.
Question and response
Question
dig 56.48.54.247.212.in-addr.arpa. NS
Answer
The response has no answer records.
Authority
48.54.247.212.in-addr.arpa. 3600 SOA dns01.dipcon.com. registry.ports.net. 2021060801 1800 900 1814400 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0