Date: Mon, 19 Jul 2021 17:08:42 -0400 From: Rich Felker <dalias@...c.org> To: Florian Weimer <fweimer@...hat.com> Cc: Yuri Kanivetsky <yuri.kanivetsky@...il.com>, musl@...ts.openwall.com Subject: Re: getaddrinfo() fails for domains with no AAAA records (regression?) On Mon, Jul 19, 2021 at 03:22:47PM +0200, Florian Weimer wrote: > * Yuri Kanivetsky: > > > $ docker run --rm -itv $PWD:/app alpine:3.14 ./app/a.sh > > ... > > + ./a.out p2.x-yuri.site set_ai_family > > AF_INET: 188.8.131.52 > > + ./a.out p2.x-yuri.site > > getaddrinfo: Name does not resolve > > p2.x-yuri.site/IN/AAAA queries result in Name Error/NXDOMAIN, so the > domain is misconfigured. This error is independent of the record type. To clarify, NXDOMAIN from DNS means "this name does not exist" in the sense that "no records at all exist for it". The nameserver should be returning NODATA (RCODE 0 = Success, with 0 records in the answer) meaning "this name exists but has 0 records of the requested type". Rich
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