Why not just a DNS Archive? Instead of snapshots of how a domain's webpage looked throughout time, you have snapshots of what ip address a domain mapped to, th

Why not just a DNS Archive? Instead of snapshots of how a domain's webpage looked throughout time, you have snapshots of what ip address a domain mapped to, throughout time. Make it opt-in. Hell, maybe even charge for it. Make a REST interface that can be queried by browser plugins, other websites, etc., that allows people to obtain the old IP address if it suddenly changes. Now you haven't broken anything and have provided those who need it with a way to find you, even after a government interference. You could even make it retroactive. If somebody takes control of your domain, and you didn't opt in to the service before hand, you then submit your actual IP address to the service. The service only accepts requests for IP changes that originate from that actual IP address to prevent unauthorized changes.