mx.laundryfm.com has no CNAME records.
Question and response
Question
dig mx.laundryfm.com. NS
Answer
The response has no answer records.
Authority
laundryfm.com. 3126 SOA dns.laundryfm.com. hostmaster.laundryfm.com. 1821225424 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0