A public server running OpenTTD v1.10.1.
It's a small map (256x256), hosted in Sydney.
Look for 'Be Happy Be Kiwi'
Server address: 184.108.40.206:11402
Blocks shock sites mostly, as well as a few sites known to promote violence and racism.
It mostly blocks things I don't like.
Download list from: https://arktiv.site/blocklists/distasteful.txt
I use this list as part of a pi hole solution on my home network.