Yes, flemail.com can receive emails.
No, flemail.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
206.166.210.130
MX records
c0c53c9e.21.ik2.com
64.38.239.83
c0c53c9e.22.ik2.io
208.77.151.115
c0c53c9e.23.ik2.eu
64.38.239.82