[CentOS] mixing MX and CNAME

aurfalien

aurfalien at gmail.com
Mon Feb 25 16:53:13 UTC 2013


On Feb 25, 2013, at 8:21 AM, Jerry Franz wrote:

> On 02/25/2013 08:06 AM, aurfalien wrote:
>> Hi,
>> 
>> Has any one had problems with mail clients were your DNS is like this;
>> 
>> doman.com	MX	50 mail.domain.com
>> domain.com	MX	100	mail2.domain.com
>> 
>> domain.com	CNAME	www.domain.com
>> 
>> 
> 
> The short answer is you can't do that and expect it to work because you can't mix CNAME and other types of records for a hostname. It is simply an invalid configuration at a DNS level.
> 
> Read http://en.wikipedia.org/wiki/CNAME_record#Restrictions
> 
> -- 
> Benjamin Franz

Yes, I agree.  I posted this as some one wants me to allow this due to old online articles referencing simply http://domain.com

I told them that I cannot allow CNAME and MX mix of any kind but they insist.  At any rate its up to me in the end but I wanted to reach out to the community.

- aurf




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