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• I have read the contributing guide lines at https://github.com/opnsense/plugins/blob/master/CONTRIBUTING.md
• I have searched the existing issues, open and closed, and I'm convinced that mine is new.
• When the request is meant for an existing plugin, I've added its name to the title.

Is your feature request related to a problem? Please describe.

1. Currently there is no way to assign / create more keys within the ui, there is only a single key which you can edit. Suggestion is a new page where keys can be created and individually selected within domain.

2. Currently with the added functionality in dns/bind: Add option to allow the rndc-key for zone transfers #4177 , if this is turned on it bind will create a .jnl file, this causes issues when a user edits / updates a new record in the UI. This causes two issues, one, the zone will no longer load, and two, transfers will not work until the effected .jnl file is deleted manually and bind is restarted.

3. Additionally when reloading bind, all transfers are lost, and the main db file is overwritten.

Describe the solution you'd like

1. Creation of a new keys tab that will work similar to how ACLs work, and can be selected for the domain.
2. Fix the issue with the out of sync journals
3. Populate Transfers into the UI, that way they aren't lost when the configuration resets.

Describe alternatives you've considered

1. Manually maintaining, and creating keys with a override target.
2. Cron job that properly freezes rndc and thaws the zone at a interval.

Additional context
Small discussion had in #4177