http://vladsmedrinxlyc7xefocmm5xhsq2d2cj5hfylf4g2xpr2q3fil37jad.onion
On the other hand, a service like Pi-hole is great, it allows you to set up custom sources, you can whitelist and blacklist custom domains, you can set your own provider for the upstream DNS server, but it kinda requires a Debian-based distro in order to offer an easy setup via their own installer, in order to get the web ui.