mx.threefiftyconcepts.com has no NS records.
NS records for this zone are defined at threefiftyconcepts.com.
NS records for this zone are defined at threefiftyconcepts.com.
Question and response
Question
dig mx.threefiftyconcepts.com. NS
Answer
The response has no answer records.
Authority
threefiftyconcepts.com. 3600 SOA dns.threefiftyconcepts.com. hostmaster.threefiftyconcepts.com. 1732362731 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0