Hello Mark. I have the current MacOS on Apple Silicon and 9.20.22, installed via Homebrew, and it works for me. Perhaps you could share your config, dig test and results and maybe a pcap.
Cheers, Greg On Tue, 5 May 2026 at 16:57, Mark Strohm <[email protected]> wrote: > After recent updates on my Macos systems, bind can no longer do recursive > NS lookups. dig returns SERVFAIL. Any help would be much appreciated. > > This is happening for different versions of bind and different Macos > versions. > > Here are log entries from a Homebrew install of 9.20.22 on Darwin x86_64 > 24.6.0: > > 05-May-2026 08:12:17.869 resolver: notice: DNS format error from > 51.75.79.143#53 resolving isc.org/NS for 127.0.0.1#53629: non-improving > referral > 05-May-2026 08:12:17.869 lame-servers: info: FORMERR resolving ' > isc.org/NS/IN': 51.75.79.143#53 > > 05-May-2026 08:14:28.659 resolver: notice: DNS format error from > 193.0.14.129#53 resolving ./NS for <unknown>: non-improving referral > 05-May-2026 08:14:28.659 lame-servers: info: FORMERR resolving './NS/IN': > 193.0.14.129#53 > 05-May-2026 08:14:28.659 resolver: notice: resolver priming query > complete: SERVFAIL > -- > Visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe > from this list. >
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