Yes, mail.mzr.me can receive emails.
No, mail.mzr.me 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
107.172.165.165
MX record
mail-mzr-me.mail.protection.outlook.com
104.47.124.36