162.12.29.204.in-addr.arpa has no NS records.
NS records for this zone are defined at 12.29.204.in-addr.arpa.
NS records for this zone are defined at 12.29.204.in-addr.arpa.
Question and response
Question
dig 162.12.29.204.in-addr.arpa. NS
Answer
The response has no answer records.
Authority
12.29.204.in-addr.arpa. 1800 SOA ns1.iristransport.com. hostmaster.iristransport.com. 2020052200 10800 1800 1209600 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0