mx.bravefear.com has no NS records.
NS records for this zone are defined at bravefear.com.
NS records for this zone are defined at bravefear.com.
Question and response
Question
dig mx.bravefear.com. NS
Answer
The response has no answer records.
Authority
bravefear.com. 3600 SOA dns.bravefear.com. hostmaster.bravefear.com. 1748138214 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0