nssec.nohats.ca has no MX records.
Question and response
Question
dig nssec.nohats.ca. MX
Answer
The response has no answer records.
Authority
nohats.ca. 3600 SOA ns0.nohats.ca. hostmaster.nohats.ca. 1769993121 28800 3600 864000 28800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0