4.144.255.178.in-addr.arpa has no NS records.
NS records for this zone are defined at 144.255.178.in-addr.arpa.
NS records for this zone are defined at 144.255.178.in-addr.arpa.
Question and response
Question
dig 4.144.255.178.in-addr.arpa. NS
Answer
The response has no answer records.
Authority
144.255.178.in-addr.arpa. 86400 SOA dns10.copyleft.no. hostmaster.copyleft.no. 3000010705 28800 7200 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0