Yes, post.melkfl.es can receive emails.
No, post.melkfl.es 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
None
MX records
mail.mailinator.com
23.239.11.30
mail2.mailinator.com
45.33.83.75