What is the name of the domain?
What is the issue you’re encountering
not receiving email
What steps have you taken to resolve the issue?
re-set up the MX records twice, still no luck
What are the steps to reproduce the issue?
Not receiving email
Additional info - everything was working fine until Dec 2024, then it stopped working without any changes on my side.
The domain seems to have expired, as it is available for registration right now.