A new Test Case has been specified in v2023.1: [Zone11](https://github.com/zonemaster/zonemaster/blob/v2023.1.3/docs/public/specifications/tests/Zone-TP/zone11.md) (by https://github.com/zonemaster/zonemaster/pull/1146), but there is no implementation yet.
A new Test Case has been specified in v2023.1: Zone11 (by zonemaster/zonemaster#1146), but there is no implementation yet.