Yes, domen.4pu.com can receive emails.
No, domen.4pu.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
188.40.107.196
MX records
mx.yandex.ru
213.180.204.89
mx.yandex.ru
93.158.134.89