Yes, 54.mk can receive emails.
No, 54.mk 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
104.21.56.195
MX records
emailfake.com.
46.118.120.228
mx.zoho.com.
136.143.191.44
mx2.zoho.com.
204.141.33.44
mx3.zoho.com.
136.143.191.44
This domain has been found on emailfake.com