- adns is Copyright 1997-2000,2003,2006,2014 Ian Jackson, Copyright 2014
- Mark Wooding, Copyright 1999-2000,2003,2006 Tony Finch, and Copyright
- (C) 1991 Massachusetts Institute of Technology.
+ adns is Copyright 1997-2000,2003,2006,2014-2016,2020 Ian Jackson,
+ Copyright 2014 Mark Wooding, Copyright 1999-2000,2003,2006 Tony Finch,
+ and Copyright 1991 Massachusetts Institute of Technology.