Yes, braunschweig.ru can receive emails.
No, braunschweig.ru 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
185.12.94.125
MX records
mail.braunschweig.ru
185.12.94.125
mail.braunschweig.ru
185.12.94.125