Yes, mailbox52.ga can receive emails.
No, mailbox52.ga 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
mxa.mailgun.org
52.25.162.252
mxb.mailgun.org
52.25.162.252