Closed d4rklynk closed 10 months ago
It seems you dot not use email for the subdomains live.worldcubeassociation.org
As per the RFC 7505, you should set a NULL MX.
It's a special instruction that says the domain will not accept receiving email.
In practice, it looks like so: I sent an email to one of my subdomains, I received 1 minute later this email.
As you can see, it know instantly that it can't send the email to that subdomain -> end of story.
See how it looks in DNS:
This NULL MX should be set for every subdomains an domains that do not use email.
Thank you, I added the record :)
It seems you dot not use email for the subdomains live.worldcubeassociation.org
As per the RFC 7505, you should set a NULL MX.
It's a special instruction that says the domain will not accept receiving email.
In practice, it looks like so: I sent an email to one of my subdomains, I received 1 minute later this email.
As you can see, it know instantly that it can't send the email to that subdomain -> end of story.
See how it looks in DNS: