work has no MX records.
Question and response
Question
dig work. MX
Answer
The response has no answer records.
Authority
work. 900 SOA a.nic.work. admin.tldns.godaddy. 1771950093 1800 300 604800 1800
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0