The majority of the source code in the mDNSResponder project is licensed&#xA;under the terms of the Apache License, Version 2.0, available from:&#xA;   &lt;http://www.apache.org/licenses/LICENSE-2.0&gt;&#xA;&#xA;To accommodate license compatibility with the widest possible range&#xA;of client code licenses, the shared library code, which is linked&#xA;at runtime into the same address space as the client using it, is&#xA;licensed under the terms of the &#34;Three-Clause BSD License&#34;.&#xA;&#xA;The Linux Name Service Switch code, contributed by National ICT&#xA;Australia Ltd (NICTA) is licensed under the terms of the NICTA Public&#xA;Software Licence (which is substantially similar to the &#34;Three-Clause&#xA;BSD License&#34;, with some additional language pertaining to Australian law).&#xA;