Prohibit creation of domains that resolve to another server
Prohibit creation of all domains that resolve to other servers.
Currently need to add the domains one by one, need to apply to all possible domains.

Thank you for voting everyone.
We are glad to inform you that as of Plesk Obsidian 18.0.68, you are able to restrict the creation of domains that resolve to another server. The feature is available in Tools & Settings > Prohibited Domain Names (under “Security”).
To hide the feature from the Plesk interface, add the following lines to the panel.ini file:
[domainManagement] features.resolutionRestriction = false-- SH
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Randy commented
This is crucial as it can help prevent potential attacks, such as 'sitting duck' scenarios or phishing, by restricting the creation of domains that resolve to external servers. Additionally, an option for system administrators to allow the addition of such domains at their own discretion would provide flexibility while maintaining security.