CNAME as an alias to a TXT record

[Mark Andrews]

_acme-challenge CNAME whatever.name.you.want.here.

will work provided there is no other records, including other CNAMEs, at
_acme-challenge.

If you want more help post *actual* response unmodified.  There are lots
of different ways to configure servers and what may look like a error when
checking isn’t anything more than a misunderstanding of how the DNS works.

Mark

> On 5 Nov 2019, at 07:38, Computerisms Corporation <bob at computerisms.ca> wrote:
> 
> Hi Reindl,
> 
> Thanks for your response.
> 
>> no matter which record type a CNAME will match and that is the simple
>> reason that you can't have A/MX records with the same name
>> MX mail.example-com
>> CNAME mail.example.com
>> TXT whatever.example.com
>> CNAME whatever.example.com
> 
> yes, I understand that I can't have them in the same zone (ie in the same domain name).  but not trying that here.  I want the CNAME for firstdomain.com to point to a TXT record at seconddomain.com
> 
> 
> 
> 
>> in both cases you need to chose because a CNAME with the same NAME is a
>> conflicting configuration which is not possible or redundant which don't
>> make sense
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-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742              INTERNET: marka at isc.org