mx.blastcuts-razorsstore.com has no CNAME records.
Question and response
Question
dig mx.blastcuts-razorsstore.com. NS
Answer
The response has no answer records.
Authority
blastcuts-razorsstore.com. 3110 SOA dns.blastcuts-razorsstore.com. hostmaster.blastcuts-razorsstore.com. 1236942687 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0