Am 20.11.2025 um 17:15:53 Uhr schrieb Doug Freed: > On 11/20/25 13:00, Marco Moock wrote: > > On 20.11.2025 10:07 Philip Prindeville via bind-users > > <[email protected]> wrote: > > > >> I’m on a US residential ISP, and they don’t support IPv6. As a > >> result, I’ve disabled it locally as well with `options { > >> listen-on-ipv6 { none; }; };`. Well, there are more options than > >> that, but that’s the relevant one. > > > > Disabling IPv6 is not necessary in normal circumstances. > > > > Please let us know why you do it. > > This is incorrect. It is frequently necessary to disable IPv6 > upstream queries in named in situations where IPv6 is either entirely > unavailable or is unusable. As an example, a VM in my lab has an > IPv6 Unique Local Address, but no default gateway, and has no IPv6 > connectivity outside of the VLAN it's in. Without disabling IPv6 in > named, it still makes attempts to query IPv6 authoritative > nameservers (the below log line came from that VM). This can be a > problem because those queries still count toward various query limits > even though they've failed.
Ok, that is weird. Is there a route to the destination of the authoritative server? If so, the connection will be attempted. If not, the connection must not be attempted and seems to be an issue. -- Gruß Marco Send unsolicited bulk mail to [email protected]
pgpe8_C9uO3mW.pgp
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