mx.thesecretsofdogtraining.com has no NS records.
NS records for this zone are defined at thesecretsofdogtraining.com.
NS records for this zone are defined at thesecretsofdogtraining.com.
Question and response
Question
dig mx.thesecretsofdogtraining.com. NS
Answer
The response has no answer records.
Authority
thesecretsofdogtraining.com. 3600 SOA dns.thesecretsofdogtraining.com. hostmaster.thesecretsofdogtraining.com. 1605704310 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0