tune.bravesmount.net has no NS records.
NS records for this zone are defined at bravesmount.net.
NS records for this zone are defined at bravesmount.net.
Question and response
Question
dig tune.bravesmount.net. NS
Answer
The response has no answer records.
Authority
bravesmount.net. 3601 SOA dns1.registrar-servers.com. hostmaster.registrar-servers.com. 1769678657 43200 3600 604800 3601
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0