[dns-operations] Introducing CNAME Flattening: RFC-Compliant CNAMEs at a Domain's Root

Anthony Eden anthony.eden at dnsimple.com
Fri Apr 4 14:52:59 UTC 2014

On Fri, Apr 4, 2014 at 4:40 PM, David Miller <dmiller at tiggee.com> wrote:
> > I've been thinking about writing an RFC for this, but I've never
> > actually done it, and it will take some time to do, however I think
> > defining how an ALIAS record will synthesize its response is probably
> > something we need at this point. It will also need to describe how TTLs
> > are respected, how A vs AAAA vs CNAME questions are treated and what
> > failure rules might be expected.
> Let me know if decide to write this up and you want input on our (DNS
> Made Easy) implementation.  I suspect that our implementation is
> different from yours.

I will and I think a bit of public discussion between various implementors
can help us all improve our own implementations.

Anthony Eden

Twitter: @dnsimple
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