godaddy has no MX records.
Question and response
Question
dig godaddy. MX
Answer
The response has no answer records.
Authority
godaddy. 900 SOA a.nic.godaddy. admin.tldns.godaddy. 1772206652 1800 300 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0