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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>-----Original Message-----<br>From: bind-users-bounces+gaurav.kansal=nic.in@lists.isc.org [mailto:bind-users-bounces+gaurav.kansal=nic.in@lists.isc.org] On Behalf Of Miek Gieben<br>Sent: Saturday, February 18, 2012 12:42 AM<br>To: bind-users@lists.isc.org<br>Subject: Re: A few conceptual question about dnssec.</p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>[ Quoting <<a href="mailto:gaurav.kansal@nic.in"><span style='color:windowtext;text-decoration:none'>gaurav.kansal@nic.in</span></a>> at 00:36 on Feb 18 in "RE: A few conceptual..." ]<o:p></o:p></p><p class=MsoPlainText>> Firstly, where do we get the public key for the DS records?<o:p></o:p></p><p class=MsoPlainText>> <o:p></o:p></p><p class=MsoPlainText>> Can you clarify your question???<o:p></o:p></p><p class=MsoPlainText>> <o:p></o:p></p><p class=MsoPlainText>> <o:p></o:p></p><p class=MsoPlainText>> <o:p></o:p></p><p class=MsoPlainText>> Second, why do I get multiple DS records as response? –<o:p></o:p></p><p class=MsoPlainText>> <o:p></o:p></p><p class=MsoPlainText>> You will always get a 2 DS Records in response. One for SHA-1 and <o:p></o:p></p><p class=MsoPlainText>> second for SHA-256.<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>That completely depends on what is configured in the zone.<o:p></o:p></p><p class=MsoPlainText><span style='color:black'><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:#558ED5;mso-style-textfill-fill-color:#558ED5;mso-style-textfill-fill-alpha:100.0%'>But I think it is recommended that you should always put 2 DS Records in your zone file corresponding to each child zone.<o:p></o:p></span></p><p class=MsoPlainText><span style='color:#558ED5;mso-style-textfill-fill-color:#558ED5;mso-style-textfill-fill-alpha:100.0%'>One for SHA1 and second for SHA256.<o:p></o:p></span></p><p class=MsoPlainText><span style='color:#558ED5;mso-style-textfill-fill-color:#558ED5;mso-style-textfill-fill-alpha:100.0%'>That’s why we always get 2 DS Records from ROOT Server pointing to TLDs.<o:p></o:p></span></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Perhaps this will help:<o:p></o:p></p><p class=MsoPlainText><a href="http://nlnetlabs.nl/publications/dnssec_howto/"><span style='color:windowtext;text-decoration:none'>http://nlnetlabs.nl/publications/dnssec_howto/</span></a><o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>grtz Miek<o:p></o:p></p></div></body></html>