> On Jan 31, 2023, at 15:27, Thomas Schäfer <tschae...@t-online.de> wrote: > > Am Dienstag, 31. Januar 2023, 20:03:42 CET schrieb Marco: > >> >> Why would it make sense to block them? > > Avoiding wrong decisions by "happy eyeballs" - probably the same rare reasons > why isc introduced the AAAA filter yeas ago - in theory there is no reason to > block AAAA nor A. But blocking A depending on the existence of AAAA makes no > sense at all. > (as bind at moment is doing)
I’ve found one edge case where blocking AAAA records fixes something in order to force it to A addresses. Netflix I use a Hurricane Electric tunnel for my IPv6. Works like a charm for every other site I use. But Netflix rejects connections because it thinks it’s on a VPN. So, filtering the quad A makes it appear it isn’t IPv6 enabled, so it connects over 4. Works like a champ. Eric
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