black.host-2.21.144.195.in-addr.arpa has no NS records.
NS records for this zone are defined at 21.144.195.in-addr.arpa.
NS records for this zone are defined at 21.144.195.in-addr.arpa.
Question and response
Question
dig black.host-2.21.144.195.in-addr.arpa. NS
Answer
The response has no answer records.
Authority
21.144.195.in-addr.arpa. 86400 SOA ns1.black.host. admin.black.host. 2024122000 3600 7200 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0