You can create zeroconf records on standard DNS servers.
A few years ago one of my clients which ran a school wanted to give airprint access to his guest network so that parents could print documents into the school office printers.
Creating those records is a bit of a PITA and you need to find out how to replicate SRV and TXT values but it works.
Here is a good source for this type of configuration:
When Cloudflare pulled the plug on them I didn’t saw that as a good idea because by doing that you are forcing the community underground and further radicalization is the next step. And here they are using the daily stormer CDN.
On the other hand as deplatforming becomes a norm perhaps we could see a rise in demand for decentralized platforms like IPFS or ActivityPub.