[Bug 294123] DNS-client : Address family for hostname not supported | multiple DNS IPs

From: <bugzilla-noreply_at_freebsd.org>
Date: Sun, 29 Mar 2026 18:22:13 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=294123

            Bug ID: 294123
           Summary: DNS-client : Address family for hostname not supported
                    | multiple DNS IPs
           Product: Base System
           Version: CURRENT
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: bin
          Assignee: bugs@FreeBSD.org
          Reporter: mikhail.rokhin@gmail.com

Recently, after moving to 16-Current, `ntp` started to message:

"error resolving pool xxx.freebsd.pool.ntp.org: Address family for hostname not
supported".

`ping`ing the names shows the same error.

But `nslookup` shows inavailabilty through the 1st DNS-server and avail.
through the next DNSs .

In my case: 

8.8.8.8
1.1.1.1
9.9.9.9
...

Looks like DNS-client fails to roulette the list of DNS IPs after first failure
automatically.

DHCP-client catches the whole list of DNS IPs successfully.

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