/usr/share/perl5/EBox/DNS/ is in zentyal-dns 2.3.3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/perl5/EBox/DNS/Composite/
/usr/share/perl5/EBox/DNS/Composite/Global.pm
/usr/share/perl5/EBox/DNS/Model/
/usr/share/perl5/EBox/DNS/Model/AliasTable.pm
/usr/share/perl5/EBox/DNS/Model/DomainTable.pm
/usr/share/perl5/EBox/DNS/Model/Forwarder.pm
/usr/share/perl5/EBox/DNS/Model/HostnameTable.pm
/usr/share/perl5/EBox/DNS/Model/MailExchanger.pm
/usr/share/perl5/EBox/DNS/Model/NameServer.pm
/usr/share/perl5/EBox/DNS/Model/Record.pm
/usr/share/perl5/EBox/DNS/Model/Services.pm
/usr/share/perl5/EBox/DNS/Model/Settings.pm
/usr/share/perl5/EBox/DNS/Model/Text.pm
/usr/share/perl5/EBox/DNS/Types/
/usr/share/perl5/EBox/DNS/Types/Hostname.pm
/usr/share/perl5/EBox/DNS/View/
/usr/share/perl5/EBox/DNS/View/DomainTableCustomizer.pm