mail.cspire.net has no NS records.
NS records for this zone are defined at cspire.net.
NS records for this zone are defined at cspire.net.
Question and response
Question
dig mail.cspire.net. NS
Answer
The response has no answer records.
Authority
cspire.net. 300 SOA ns1.p201.dns.oraclecloud.net. hostmaster.cspire.net. 2023038501 3600 600 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0