dns2.namecheaphosting.com has no MX records.
Question and response
Question
dig dns2.namecheaphosting.com. MX
Answer
The response has no answer records.
Authority
namecheaphosting.com. 86400 SOA edns.registrar-servers.com. hosting-notifications.namecheaphosting.com. 1769091196 3600 7200 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0