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DNS Resolution for IPv6 clients is not working when dns64 is enabled with secondary in DNS Profile. This can be encountered after an upgrade, where DNS hosts that used to reply with a AAAA record no longer provide an authoritative answer.
IPv6 resolution is failing.
--- DNS64 is enabled and set to secondary in DNS Profile. --- qname-minimisation is enabled by default in code in the latest unbound. --- That Profile is configured with dns cache. --- A DNS listener is configured with the above profile. --- DNS clients requesting ipv6 resolution requests towards the listener.
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