Problem with rfc7706 config

[Tuomo Soini]

I have a system which has IPv4 connectivity only.

# This is rfc7706 config
# https://www.dns.icann.org/services/axfr/
auth-zone:
        name: "."
        for-downstream: no
        for-upstream: yes
        fallback-enabled: yes
        zonefile: /var/lib/unbound/root.zone
        master: lax.xfr.dns.icann.org.
        master: iad.xfr.dns.icann.org.

Problem is there will not be zonexfer of zone. My guess is unbound only
tries ipv6 addresses of masters. When dns name is used,
I'd expect unbound to use both IPv4 and IPv6 addresses for axfr when
server name has both addresses.

-- 
Tuomo Soini <tis at foobar.fi>
Foobar Linux services
+358 40 5240030
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