Yes, meltmail.com can receive emails.
No, meltmail.com is a throwaway domain and should be blocked.
You can use MailCheck's free API to automatically block throwaway emails. Read our documentation to get started. No registration required.
A record
91.195.240.126
MX records
mailstore1.secureserver.net
72.167.238.32
smtp.secureserver.net
68.178.213.203