/usr/share/zentyal/ is in zentyal-dns 2.3.10+quantal1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/zentyal-dns/enable-module
/usr/share/zentyal-dns/initial-setup
/usr/share/zentyal-dns/sql/
/usr/share/zentyal-dns/sql/dns_domains.sql
/usr/share/zentyal-dns/sql/dns_domains_report.sql
/usr/share/zentyal/modules/
/usr/share/zentyal/modules/dns.yaml
/usr/share/zentyal/stubs/
/usr/share/zentyal/stubs/dns/
/usr/share/zentyal/stubs/dns/apparmor-named.local.mas
/usr/share/zentyal/stubs/dns/db.mas
/usr/share/zentyal/stubs/dns/dbrev.mas
/usr/share/zentyal/stubs/dns/keys.mas
/usr/share/zentyal/stubs/dns/named.conf.local.mas
/usr/share/zentyal/stubs/dns/named.conf.mas
/usr/share/zentyal/stubs/dns/named.conf.options.mas
/usr/share/zentyal/templates/
/usr/share/zentyal/templates/dns/
/usr/share/zentyal/templates/dns/ajax/
/usr/share/zentyal/templates/dns/ajax/viewer/
/usr/share/zentyal/templates/dns/ajax/viewer/domainTypeViewer.mas
/usr/share/zentyal/templates/dns/edit.mas
/usr/share/zentyal/templates/dns/index.mas