it expands on work i did to try and answer the question "how many dead servers am i connected to?"
somebody tell me about the activitypub threat model for when a server's domain name expires and years later is bought by a malicious party in order to assume the role or rights of a specific actor
@garbados thanks i hate it
@garbados I was thinking about this very same thing today as I was cleaning up my follows of dead instances
They should expire after a week or two of no contact.
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