Mark Andrews <ma...@isc.org> wrote:
> Unless you are pointing recursive clients directly at your
> authoritative servers there is no need. The recursive servers will
> lookup the CNAME target themselves. Additionally recursive servers just
> process the CNAME and ignore the rest of the response to prevent cache
> poisoning if there is more there.I think that implicit in Mark's answer is that the additional data that was being returned was just wasted bytes, since it could never be trusted by clients.... so why waste bytes. Thus the change?
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