30.113.21.81.in-addr.arpa has no NS records.
NS records for this zone are defined at 113.21.81.in-addr.arpa.
NS records for this zone are defined at 113.21.81.in-addr.arpa.
Question and response
Question
dig 30.113.21.81.in-addr.arpa. NS
Answer
The response has no answer records.
Authority
113.21.81.in-addr.arpa. 86400 SOA dns1.muerznet.at. office.muerznet.at. 2024112002 14400 3600 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0