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I have the following configuration in the DNS server (1-configuration):

-------------------------------------------------------------------- Host name | IP address/URL | Record Type | MX Pref | TTL -------------------------------------------------------------------- @ | awf.rhcloud.com. | CNAME(Alias) | n/a | 1800 www | http://example.com | URL Redirect | n/a | 1800 mail | domain.mail.yandex.net.| CNAME(Alias) | n/a | 1800

and MX part is

-------------------------------------------------------------------- HOST NAME | MAILSERVER HOST NAME | MAIL TYPE | MX Pref | TTL -------------------------------------------------------------------- @ | mx.yandex.ru. | MX | 10 | 1800

in the above case MX record actuality does not working if I change @ and www as below MX starts working (2-configuration):

-------------------------------------------------------------------- Host name | IP address/URL | Record Type | MX Pref | TTL -------------------------------------------------------------------- @ | http://www.example.com | URL Redirect | n/a | 1800 www | awf.rhcloud.com. | CNAME(Alias) | n/a | 1800

How can I make such that MX starts to work for the first configuration(without www). Is it possible, is there any tricks to do this?

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  • 1
    possible duplicate of Can you reference a CNAME record in an MX record? Commented May 22, 2015 at 8:54
  • 3
    Here it is not an issue of having an MX record referencing a CNAME, but instead having a CNAME in combination with other records types, such as in serverfault.com/questions/481243/… Commented May 22, 2015 at 9:10
  • @b0fh It's worse than that. Some of the record types are not even real types. Commented May 24, 2015 at 22:30

1 Answer 1

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A CNAME record indicates that the name is an alias for another, for all record types. You are not allowed to have other record types for the same name when a CNAME is present.

Remove the CNAME for @ and replace it with explicit records (A, AAAA, SRV, etc) for all the types you need.

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