checker-sdk-go
Copyright 2020-2026 The happyDomain Authors

This product includes software developed as part of the happyDomain project
(https://happydomain.org).

Portions of this code were originally written for the happyDomain server
(licensed under AGPL-3.0 and a commercial license) and are made available
here under the Apache License, Version 2.0 to enable a permissively licensed
ecosystem of checker plugins.