Copyright 2012-2014 Sandia Corporation. Under the terms of ContractDE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains certainrights in this software.Copyright 2014-2016 VeriSign, Inc.
DNSViz is free software; you can redistribute it and/or modifyit under the terms of the GNU General Public License as published bythe Free Software Foundation; either version 2 of the License, or(at your option) any later version.DNSViz is distributed in the hope that it will be useful,but WITHOUT ANY WARRANTY; without even the implied warranty ofMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See theGNU General Public License for more details.You should have received a copy of the GNU General Public License alongwith DNSViz. If not, see <http://www.gnu.org/licenses/>.