You don't they just need to rotate domains and ips every so often

I would say hide them behind dynamic DNS but there are countries that ban that entire domain and mine is one of them.

I wonder how long until an IPTV provider is only available behind something like ZeroTier

I respectfully disagree..
https://emercoin.com/en/documentation/blockchain-services/emerdns/emerdns-introduction

hire competent devs