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    Selective forwarding and stub zones are available in Microsoft DNS,
    or so I'm told...<br>
     <br>
    (Although I feel obligated to point out that this is a BIND-oriented
    list, so you may not get a lot of configuration advice for Microsoft
    products).<br>
    <br>
                                                                       
                                                                - Kevin<br>
    <br>
    On 5/8/2012 4:21 PM, Mike Bernhardt wrote:
    <blockquote
      cite="mid:661B5D96D1C242729419F12620C429EB@netadmin.bart.gov"
      type="cite">
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        <p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
              style="font-size:
              10.0pt;font-family:Arial;color:navy">I don’t think the
              child domain is on
              BIND so that may or may not be an option. But, good idea.
              Thanks for your help!<o:p></o:p></span></font></p>
        <p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
              style="font-size:
              10.0pt;font-family:Arial;color:navy"><o:p> </o:p></span></font></p>
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          <p class="MsoNormal"><b><font face="Tahoma" size="2"><span
                  style="font-size:10.0pt;
                  font-family:Tahoma;font-weight:bold">From:</span></font></b><font
              face="Tahoma" size="2"><span
                style="font-size:10.0pt;font-family:Tahoma"> Ben
                Croswell
                [<a class="moz-txt-link-freetext" href="mailto:ben.croswell@gmail.com">mailto:ben.croswell@gmail.com</a>] <br>
                <b><span style="font-weight:bold">Sent:</span></b>
                Tuesday, May 08, 2012 1:16
                PM<br>
                <b><span style="font-weight:bold">To:</span></b> Mike
                Bernhardt<br>
                <b><span style="font-weight:bold">Cc:</span></b>
                <a class="moz-txt-link-abbreviated" href="mailto:bind-users@lists.isc.org">bind-users@lists.isc.org</a><br>
                <b><span style="font-weight:bold">Subject:</span></b>
                RE: How does a child find
                its parent?</span></font><o:p></o:p></p>
        </div>
        <p class="MsoNormal"><font face="Times New Roman" size="3"><span
              style="font-size:
              12.0pt"><o:p> </o:p></span></font></p>
        <p><font face="Times New Roman" size="3"><span
              style="font-size:12.0pt">Another
              option would be zone level forwarding on the child to
              point at the parent or
              stub zones. <o:p></o:p></span></font></p>
        <p><font face="Times New Roman" size="3"><span
              style="font-size:12.0pt">-Ben
              Croswell <o:p></o:p></span></font></p>
        <div>
          <p class="MsoNormal"><font face="Times New Roman" size="3"><span
                style="font-size:
                12.0pt">On May 8, 2012 3:59 PM, "Mike Bernhardt" <<a
                  moz-do-not-send="true"
                  href="mailto:bernhardt@bart.gov">bernhardt@bart.gov</a>>
                wrote:<o:p></o:p></span></font></p>
          <div link="blue" vlink="blue">
            <div>
              <p class="MsoNormal"
                style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><font
                  color="navy" face="Arial" size="2"><span
                    style="font-size:10.0pt;font-family:Arial;
                    color:navy">In this case, the root only knows the
                    external public server, not
                    the internal parent who is doing the delegating. So
                    it would seem that slaving
                    the internal parent is the only solution for
                    resolving hosts in the internal
                    parent domain, correct?</span></font><o:p></o:p></p>
              <p class="MsoNormal"
                style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><font
                  color="navy" face="Arial" size="2"><span
                    style="font-size:10.0pt;font-family:Arial;
                    color:navy"> </span></font><o:p></o:p></p>
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                  align="center"><font face="Times New Roman" size="3"><span
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                    </span></font></div>
                <p class="MsoNormal"
                  style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><font
                      face="Tahoma" size="2"><span
                        style="font-size:10.0pt;font-family:Tahoma;font-weight:
                        bold">From:</span></font></b><font face="Tahoma"
                    size="2"><span style="font-size:
                      10.0pt;font-family:Tahoma"> Ben Croswell [mailto:<a
                        moz-do-not-send="true"
                        href="mailto:ben.croswell@gmail.com"
                        target="_blank">ben.croswell@gmail.com</a>]
                      <br>
                      <b><span style="font-weight:bold">Sent:</span></b>
                      Tuesday, May 08, 2012 12:21
                      PM<br>
                      <b><span style="font-weight:bold">To:</span></b>
                      Mike Bernhardt<br>
                      <b><span style="font-weight:bold">Cc:</span></b> <a
                        moz-do-not-send="true"
                        href="mailto:bind-users@lists.isc.org"
                        target="_blank">bind-users@lists.isc.org</a><br>
                      <b><span style="font-weight:bold">Subject:</span></b>
                      Re: How does a child find
                      its parent?</span></font><o:p></o:p></p>
              </div>
              <p class="MsoNormal"
                style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><font
                  face="Times New Roman" size="3"><span
                    style="font-size:12.0pt"> <o:p></o:p></span></font></p>
              <p><font face="Times New Roman" size="3"><span
                    style="font-size:12.0pt">The child
                    doesn't know it's parent and goes up to the root
                    like any other server would. <o:p></o:p></span></font></p>
              <p><font face="Times New Roman" size="3"><span
                    style="font-size:12.0pt">-Ben
                    Croswell <o:p></o:p></span></font></p>
              <div>
                <p class="MsoNormal"
                  style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><font
                    face="Times New Roman" size="3"><span
                      style="font-size:12.0pt">On May 8, 2012
                      2:13 PM, "Mike Bernhardt" <<a
                        moz-do-not-send="true"
                        href="mailto:bernhardt@bart.gov" target="_blank">bernhardt@bart.gov</a>>
                      wrote:<o:p></o:p></span></font></p>
                <p class="MsoNormal"
                  style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><font
                    face="Times New Roman" size="3"><span
                      style="font-size:12.0pt">Reading the
                      section on delegation in the O'Reilly book, I'm
                      confused about<br>
                      something: The parent is configured to delegate
                      the subdomain to the child<br>
                      with glue records, etc. But how does the child
                      know who to ask if a host in<br>
                      the subdomain requests a record in the parent
                      zone? They don't show any<br>
                      configuration example for that other than making
                      the child a slave for the<br>
                      parent zone.<br>
                      <br>
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    </blockquote>
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