I can't see IP filtering being very effective given the fact that most people don't have static IPs...



You'd have to have some kind of updater app running that would inform your server of IP updates (like OpenDNS)



That being said... Google Compute engine isn't exactly expensive... ~$4/mo for the basic engine that someone could spin up to make their own DNS / web / whatever server...



I wish you luck but I just can't see many people paying for something like this...

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