sdn1.totbb.net.9.113.203.in-addr.arpa has no NS records.
NS records for this zone are defined at 9.113.203.in-addr.arpa.
NS records for this zone are defined at 9.113.203.in-addr.arpa.
Question and response
Question
dig sdn1.totbb.net.9.113.203.in-addr.arpa. NS
Answer
The response has no answer records.
Authority
9.113.203.in-addr.arpa. 86400 SOA ns1.totbb.net. root.totbb.net. 2024090801 10800 3600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0