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Re:Show HN: MassDNS – A high-performance DNS stub resolver in C by otterley on Sunday June 26, 2016 @06:32PM (#11983109)
ldns is synchronous so all your queries will block. libunbound (https://www.unbound.net/documentation/libunbound.html), like c-ares, is an async C resolver library from the authors of ldns.
Re:Show HN: MassDNS – A high-performance DNS stub resolver in C by blechschmidt on Sunday June 26, 2016 @07:07PM (#11983245)
Ah, that would mean that I would have the libraries handle the resolving. I was currently only thinking about keeping the single socket which is used in order to only use the parsing functions from the libraries.