IPv6 NS address fetch failures in BIND despite IPv4-only network

[Ondřej Surý]

I concur with Greg that using `named -4` is your option number one
if you don't want to upgrade, but I am puzzled. What exact version is this?

    • BIND9.18S

Can you run named -V and send the output here?

Ondrej
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Ondřej Surý (He/Him)
ondrej at isc.org

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> On 5. 5. 2026, at 17:07, Greg <greg at isc.org> wrote:
> 
> Hello.
> You still have the option of starting named with the "-4" option, which disables IPv6 completely. or, if you upgrade to the latest 9.20 (which I would recommend), "query-source-v6 none;".
> 
> Regards.
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