Can an MX record point to an alias?
Answered Thu, 9 May 2002
> Is it legal to have an MX record point to a CNAME record? Just curious,
> because one of my users was having trouble sending mail to a particular
> domain and i found that the domain in questions' MX record
> pointed to CNAME
> record. For example, in case I'm explaining this badly, this is what I
> found:
>
> mail.domain1.com IN MX 0 mail.domain2.com
> mail.domain2.com IN CNAME mail.domain3.com
> mail.domain3.com IN A "IP Address"
No, that's illegal. Any domain name on the right side of an
MX record needs to own an A record.
cricket
