I'd be curious about other DNS services which compete with Quad9. I seem to have an inkling of a memory that there used to be some kind of truly "open" DNS (not

I'd be curious about other DNS services which compete with Quad9. I seem to have an inkling of a memory that there used to be some kind of truly "open" DNS (not OpenDNS I don't think), but I can't recall what their name was or what their paradigm was, precisely.