For openSUSE Factory zSystems run the following as root:
zypper addrepo https://download.opensuse.org/repositories/server:monitoring/openSUSE_Factory_zSystems/server:monitoring.repo
zypper refresh
zypper install perl-Data-Validate-Domain
For openSUSE Factory PowerPC standard run the following as root:
zypper addrepo https://download.opensuse.org/repositories/server:monitoring/openSUSE_Factory_PowerPC_standard/server:monitoring.repo
zypper refresh
zypper install perl-Data-Validate-Domain
For 16.0 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/server:monitoring/16.0/server:monitoring.repo
zypper refresh
zypper install perl-Data-Validate-Domain
For 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/server:monitoring/15.6/server:monitoring.repo
zypper refresh
zypper install perl-Data-Validate-Domain