<html><head></head><body>They probably want to avoid fragmentation pain except where dnssec is involved.<br><br><div class="gmail_quote">On September 28, 2016 5:18:14 AM GMT+02:00, Mark Andrews <marka@isc.org> wrote:<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<pre class="k9mail"><br />Can someone please explain the logic in building a DNS server that<br />supports EDNS but only returning a EDNS response if DO=1?<br /><br />Mark<br /></pre></blockquote></div><br>
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