mx records]

2025-03-29

Hello

Does anyone know why you would not have mx records for a cname.

Example

cname.domain.com

cname.domain.com is an alias for domain.com
domain.com mail is handled by 10 mail4.mailserver.com
domain.com mail is handled by 20 mail9.mailserver.com

If so, can you reference an RFC ?

Thanks