Yes, newtempmail.com can receive emails.
No, newtempmail.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
65.60.5.235
MX records
mx1.tmdhosting.com
108.178.0.170
mx2.tmdhosting.com
198.143.161.162