[dns-operations] Curious use of cname

Colm MacCárthaigh colm at stdlib.net
Thu Aug 7 04:08:34 UTC 2014

On Wed, Aug 6, 2014 at 7:16 PM, Paul Vixie <paul at redbarn.org> wrote:
> the now-common CDN trick of inventing a nonstandard "ALIAS" record or
> similar, that causes the authority server to recurse for any qtype
> that's not actually present in the zone, and to report that recursive
> data as authoritative, does not cause any compliant initiator to react
> in any way that's undesirable.

Just to be clear; this is not what Route 53 does (which is what
triggered the sub-thread). Route53's ALIAS targets may only be RRSets
that Route53 is also authoritative for.


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