ns2.zafdns.com has no MX records.
Question and response
Question
dig ns2.zafdns.com. MX
Answer
The response has no answer records.
Authority
zafdns.com. 1800 SOA ns1.zafdns.ca. jeff.zaf.ca. 2025012506 3600 900 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0