PYDNS is Copyright 2000-2014 by Guido van Rossum, 
Michael Ströder <stroeder@users.sourceforge.net>,
Anthony Baxter <anthony@interlink.com.au>,
Stuart Gathman <stuart@bmsi.com>,
and Scott Kitterman <scott@kitterman.com>

This code is released under the following  Python-style license:

CNRI LICENSE AGREEMENT FOR PYDNS-2.3.5

   1. This LICENSE AGREEMENT is between the Corporation for National Research
Initiatives, having an office at 1895 Preston White Drive, Reston, VA 20191
(“CNRI”), and the Individual or Organization (“Licensee”) accessing and
otherwise using pydns-2.3.5 software in source or binary form and its
associated documentation.

   2. Subject to the terms and conditions of this License Agreement, CNRI
hereby grants Licensee a nonexclusive, royalty-free, world-wide license to
reproduce, analyze, test, perform and/or display publicly, prepare derivative
works, distribute, and otherwise use pydns-2.3.5 alone or in any derivative
version, provided, however, that CNRI’s License Agreement and CNRI’s notice of
copyright, i.e., “Copyright © 1995-2001 Corporation for National Research
Initiatives; All Rights Reserved” are retained in pydns-2.3.5 alone or in any
derivative version prepared by Licensee. Alternately, in lieu of CNRI’s License
Agreement, Licensee may substitute the following text (omitting the quotes):
“pydns-2.3.5 is made available subject to the terms and conditions in CNRI’s
License Agreement. This Agreement together with pydns-2.3.5 may be located on
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on the Internet using the following URL: http://hdl.handle.net/1895.22/1013.”

   3. In the event Licensee prepares a derivative work that is based on or
incorporates pydns-2.3.5 or any part thereof, and wants to make the derivative
work available to others as provided herein, then Licensee hereby agrees to
include in any such work a brief summary of the changes made to pydns-2.3.5.

   4. CNRI is making pydns-2.3.5 available to Licensee on an “AS IS” basis.
CNRI MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED. BY WAY OF
EXAMPLE, BUT NOT LIMITATION, CNRI MAKES NO AND DISCLAIMS ANY REPRESENTATION OR
WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE OR THAT THE
USE OF PYTHON 1.6.1 WILL NOT INFRINGE ANY THIRD PARTY RIGHTS.

   5. CNRI SHALL NOT BE LIABLE TO LICENSEE OR ANY OTHER USERS OF PYTHON 1.6.1
FOR ANY INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES OR LOSS AS A RESULT OF
MODIFYING, DISTRIBUTING, OR OTHERWISE USING PYTHON 1.6.1, OR ANY DERIVATIVE
THEREOF, EVEN IF ADVISED OF THE POSSIBILITY THEREOF.

   6. This License Agreement will automatically terminate upon a material
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   7. This License Agreement shall be governed by the federal intellectual
property law of the United States, including without limitation the federal
copyright law, and, to the extent such U.S. federal law does not apply, by the
law of the Commonwealth of Virginia, excluding Virginia’s conflict of law
provisions. Notwithstanding the foregoing, with regard to derivative works
based on pydns-2.3.5 that incorporate non-separable material that was
previously distributed under the GNU General Public License (GPL), the law of
the Commonwealth of Virginia shall govern this License Agreement only as to
issues arising under or with respect to Paragraphs 4, 5, and 7 of this License
Agreement. Nothing in this License Agreement shall be deemed to create any
relationship of agency, partnership, or joint venture between CNRI and
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trademarks or trade name in a trademark sense to endorse or promote products or
services of Licensee, or any third party.

   8. By clicking on the “ACCEPT” button where indicated, or by copying,
installing or otherwise using pydns-2.3.5, Licensee agrees to be bound by the
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