It's in their FAQ: https://www.quad9.net/faq/#Is_there_a_service_that_Quad9_offers_that_does_not_have_the_blocklist_or_other_security https://www.quad9.net/faq/

It's in their FAQ: https://www.quad9.net/faq/#Is_there_a_service_that_Quad9_offers_that_does_not_have_the_blocklist_or_other_security https://www.quad9.net/faq/#Is_there_a_service_that_Quad9_off... Seems they've sunset .11 and .12, but .10 is still up.