Copyright for adns source package in Focal

This package was first debianized by Bernd Eckenfels  on
Mon, 8 May 2000 02:57:02 +0200.

It was downloaded from http://www.chiark.greenend.org.uk/~ian/adns/

Upstream Author: Ian Jackson / ijackson@chiark.greenend.org.uk

Copyright:

 adns is Copyright 1997-2000,2003,2006,2016 Ian Jackson, Copyright 2014
 Mark Wooding, Copyright 1999-2000,2003,2006 Tony Finch, and Copyright
 (C) 1991 Massachusetts Institute of Technology.

 adns is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free
 Software Foundation; either version 3 of the License, or (at your
 option) any later version.

 This program and documentation is distributed in the hope that it will
 be useful, but without any warranty; without even the implied warranty
 of merchantability or fitness for a particular purpose. See the [15]GNU
 General Public License for more details.

 You should have received a copy of the GNU General Public License along
 with adns, or one should be available above; if not, write to the
 Free Software Foundation or email ijackson@chiark.greenend.org.uk.

On all Debian systems, a copy of the GNU General Public License version
3 can be found in `/usr/share/common-licenses/GPL-3'.