67.64-127.136.149.63.in-addr.arpa has no NS records.
NS records for this zone are defined at 64-127.136.149.63.in-addr.arpa.
NS records for this zone are defined at 64-127.136.149.63.in-addr.arpa.
Question and response
Question
dig 67.64-127.136.149.63.in-addr.arpa. NS
Answer
The response has no answer records.
Authority
64-127.136.149.63.in-addr.arpa. 3600 SOA rdns.datapacket.net. hostmaster. 3 900 600 86400 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0