147.subnet144.6.220.66.in-addr.arpa has no NS records.
NS records for this zone are defined at subnet144.6.220.66.in-addr.arpa.
NS records for this zone are defined at subnet144.6.220.66.in-addr.arpa.
Question and response
Question
dig 147.subnet144.6.220.66.in-addr.arpa. NS
Answer
The response has no answer records.
Authority
subnet144.6.220.66.in-addr.arpa. 172800 SOA ns1.he.net. hostmaster.he.net. 2025073001 86400 7200 3600000 172800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0