mh-spf.leaseweb.com has no MX records.
Question and response
Question
dig mh-spf.leaseweb.com. MX
Answer
The response has no answer records.
Authority
leaseweb.com. 30 SOA ns0.leaseweb.com. postmaster.leaseweb.com. 2026022401 7200 1800 604800 30
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0