mx.getrave.COM has no CNAME records.
Question and response
Question
dig mx.getrave.COM. NS
Answer
The response has no answer records.
Authority
getrave.COM. 3472 SOA dns1.p07.nsone.net. hostmaster.nsone.net. 1647776655 3600 600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0