Yes, adtr343482384238cg45.unaux.com can receive emails.
No, adtr343482384238cg45.unaux.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
185.27.134.103
MX record
mail.mailinator.com
23.239.11.30