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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">See “empty non-terminal” in
<a href="https://www.rfc-editor.org/rfc/rfc4592.txt">https://www.rfc-editor.org/rfc/rfc4592.txt</a>.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black"> - Kevin<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black"><img border="0" width="131" height="48" id="Picture_x0020_2" src="cid:image001.jpg@01D16E68.19B91870" alt="FCA_Pantone_email"></span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">----------------------------------------------------------------------<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Arial Black","sans-serif";color:black">Kevin Darcy</span><span style="font-size:8.0pt;font-family:"Arial","sans-serif";color:black"><br>
NAFTA Information Security Projects</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Arial Black","sans-serif";color:black">FCA US LLC<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Arial","sans-serif";color:black">1075 W Entrance Dr,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Arial","sans-serif";color:black">Auburn Hills, MI 48326<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Arial","sans-serif";color:black">USA<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Arial","sans-serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Arial","sans-serif";color:black">Telephone: +1 (248) 838-6601
<br>
Mobile: +1 (810) 397-0103<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Arial","sans-serif";color:black">Email: kevin.darcy@fcagroup.com<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> bind-users-bounces@lists.isc.org [mailto:bind-users-bounces@lists.isc.org]
<b>On Behalf Of </b>Noel Butler<br>
<b>Sent:</b> Tuesday, February 23, 2016 6:19 PM<br>
<b>To:</b> bind-users@lists.isc.org<br>
<b>Subject:</b> Re: Interesting behavior with wildcard domains<o:p></o:p></span></p>
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<p><span style="font-size:10.0pt">On 24/02/2016 09:13, Mathew Ian Eis wrote:<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt">Hi BIND,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt">I've encountered (quite by accident) an interesting behavior in BIND with wildcard domains:<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt">The relevant configuration is a zone; e.g. bar.com, with what I'll call a "second level" wildcard host, e.g. *.foo.bar.com A 10.10.10.5 in that zone. (as opposed to what might be considered the more usual
wildcard host record of *.bar.com).<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt">buz.foo.bar.com returns A 10.10.10.5 as expected.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt">However, a query for foo.bar.com returns NOERR with zero results, when I would expect a NXDOMAIN.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt">Anyone know if the NOERR with zero results is the expected / correct behavior?<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt">Thanks in advance,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt"> <o:p></o:p></span></p>
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<div id="">
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<p class="MsoNormal"><span style="font-size:10.0pt">Mathew Eis<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt">Northern Arizona University<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt">Information Technology Services<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt">It's expected, since its a * "." foo...<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt">you are asking for anything thast dot foo, your not asking for foo<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt">-- <o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="font-size:7.5pt">If you have the urge to reply to all rather than reply to list, you best first read
<a href="http://members.ausics.net/qwerty/">http://members.ausics.net/qwerty/</a></span><o:p></o:p></p>
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