mail.callidus.at has no NS records.
NS records for this zone are defined at callidus.at.
NS records for this zone are defined at callidus.at.
Question and response
Question
dig mail.callidus.at. NS
Answer
The response has no answer records.
Authority
callidus.at. 3600 SOA dns2.a1.net. domainadmin.a1.net. 2023121900 10800 3600 1814400 3600
Additional
. 0 OPT ; payload 1400, xrcode 0, version 0, flags 0