mx.kenimusic.com has no NS records.
NS records for this zone are defined at kenimusic.com.
NS records for this zone are defined at kenimusic.com.
Question and response
Question
dig mx.kenimusic.com. NS
Answer
The response has no answer records.
Authority
kenimusic.com. 3600 SOA dns.kenimusic.com. hostmaster.kenimusic.com. 1499234041 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0