49.23.236.151.in-addr.arpa has no NS records.
NS records for this zone are defined at 23.236.151.in-addr.arpa.
NS records for this zone are defined at 23.236.151.in-addr.arpa.
Question and response
Question
dig 49.23.236.151.in-addr.arpa. NS
Answer
The response has no answer records.
Authority
23.236.151.in-addr.arpa. 3600 SOA ns1.edis.global. root.edis.at. 2026032003 10800 900 604800 86400
Additional
. 0 OPT ; payload 1400, xrcode 0, version 0, flags 0