CNAME records in place of A records
marka at isc.org
Mon Nov 9 05:40:12 UTC 2020
> On 9 Nov 2020, at 16:35, Matt Palmer <mpalmer at hezmatt.org> wrote:
> On Sun, Nov 08, 2020 at 08:01:12PM -0500, Rob McEwen wrote:
>> except - don't forget that the root of a domain (that domain without "www."
>> or any other label) - cannot have a CNAME as the "A" record - fwiw...
> Yes. I didn't think that was something that needed to be explained on NANOG,
Given the number of ISPs (and others) that ask ISC to support CNAME at the APEX
to whom we have to politely say:
“No. It is not permitted by this part of RFC 1034.”
It’s well worth reiterating.
> - Matt
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: marka at isc.org
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