worldphone.ca has no MX records.
Question and response
Question
dig worldphone.ca. MX
Answer
The response has no answer records.
Authority
worldphone.ca. 3600 SOA pdns104.ultradns.com. tldadmin.iristel.com. 262240732 10800 3600 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0