# Disallow duplicate domains

**Project:** Applications | **Board:** Live | **Votes:** 2
**URL:** https://roadmap.ploi.cloud/projects/3-applications/items/55-disallow-duplicate-domains

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Duplicate domains are not allowed inside the application, this should be checked during the saving of a new custom domain. 

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## Comments

**Zander van der Meer** (2025-10-20T20:15:21+00:00):
This issue has been solved and extra validation has been added.