Chris J.M.

One other use case for this (assuming I understand correctly) is for a current self-hosting user to add other domains to their existing instance. This probably will mostly be used...

@azbulutlu Thanks for coming up with a much more "professional" use case than I thought of. One install per server makes much more sense than one install per domain. Perhaps...

@DanielHeath Something I have seen people do is use cnames, but I'm not sure if that solves this issue or simply allows a user to access multiple accounts on a...

If you control all those domains, would CNAMES help or am I misunderstanding the issue?

Would any of these options support a child record being added multiple times, or would they function like a `unique_together` constraint on the two linked records in the join table?...

Could one way of displaying the relationship be an editable table similar to the main table summary view? This would, of course, need to be limited in what other information...

I wonder if adding an option to start spoofing _after_ initial startup would improve startup times.