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<div class="moz-cite-prefix">On 09/04/2026 09:13, rob777 via
Pdns-users wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CAAPVCxygaFZvnrmekntj0fTiZuTg1J+N+sKBAk1-jeS5h667eA@mail.gmail.com">Do
i create a mess with this planned DNSSEC enabling on the external
<a href="http://test.com" moz-do-not-send="true">test.com</a> DNS
Zone?</blockquote>
<p>If it's just a case of private, unsigned subdomains of test.com,
then all you need to do is to set Negative Trust Anchors for these
subdomains on your internal recursor(s), and it will be fine.</p>
<p>See:
<a class="moz-txt-link-freetext" href="https://doc.powerdns.com/recursor/settings.html#forward-zones">https://doc.powerdns.com/recursor/settings.html#forward-zones</a></p>
<p>The fact that you have conflicting parent zones ("shadow zone")
might be more problematic, but I'm not sure. Personally, I'd get
rid of the shadow test.com zone and use an RPZ to override the
specific answers that you want to be different for internal
clients - which you say is only 2 or 3 records. It's much more
maintainable too, since anything you add to the public test.com
zone will be visible to internal clients automatically; you don't
have to keep the shadow zone file in sync.</p>
<p><a class="moz-txt-link-freetext" href="https://doc.powerdns.com/recursor/lua-config/rpz.html">https://doc.powerdns.com/recursor/lua-config/rpz.html</a></p>
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