>> is there a list of public resolvers? e.g. 1.1.1.1, 4.4.4.4, 8.8.8.8, >> etc.? > > https://public-dns.info/
interesting, but probably too broad. but i suspect my question was too broad. >> we have a measurement set which contains resolvers, some of which we >> suspect are intentionally open, some unintentionally open, and some >> not open. we are trying to filter that first set, the intentionally >> open. i suspect it hinges on what one thinks of as 'public'. i.e. dtag's servers for its customers is not what i think of as public. maybe i mean globally public or something. randy, who clearly needs to think a bit more