For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/server:dns/openSUSE_Tumbleweed/server:dns.repo
zypper refresh
zypper install stubby
For openSUSE Factory ARM run the following as root:
zypper addrepo https://download.opensuse.org/repositories/server:dns/openSUSE_Factory_ARM/server:dns.repo
zypper refresh
zypper install stubby
For 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/server:dns/15.6/server:dns.repo
zypper refresh
zypper install stubby
For 15.5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/server:dns/15.5/server:dns.repo
zypper refresh
zypper install stubby
For 15.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/server:dns/15.4/server:dns.repo
zypper refresh
zypper install stubby