user.start.ca has no MX records.
Question and response
Question
dig user.start.ca. MX
Answer
The response has no answer records.
Authority
user.start.ca. 3600 SOA mrhmondr03-dnsaut-01.osc.tac.net. dnsadmin2.telus.com. 5810 900 7200 3600000 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0