Add exclude { ::/0; }; to the dns64 definition. It won’t prevent the lookup but will cause the AAAA returned to be ignored.
-- Mark Andrews > On 3 Apr 2018, at 23:14, Rick Tillery <rtilleryw...@gmail.com> wrote: > > I am creating an IPv6-only subnet to test software for IPv6 compatibility. > We just need to check that the software can function correctly in an IPv6 > network, so prefixed IPv4 addresses work the same as real IPv6 addresses in > this testing. We also don't actually need access to the IPv6 Internet, just > the IPv4 Internet, which is good, because our network connection is only > IPv4, and we have no tunnelling. > > Using TAYGA as the NAT64, I have configured the subnet so that prefixed IPv4 > addresses are working, and I can reach IPv4 sites. However, I need DNS64 to > provide name resolution to these prefixed IPv4 addresses. > > Google's DNS64 server requires access to the IPv6 Internet (according to > Google on their support group), so it won't work for us. So I have to > configure my own DNS64 server, and Bind seems like just the thing. > > 1. All the documentation for DNS64 says that when a name lookup is send to a > DNS64 server, it first checks for an IPv6 address, and if one is not > available, it gets the IPv4 address, prefixes it to create an IPv6 address, > and in either case returns an AAAA record. But can Bind be configured on an > IPv4 domain, such that it skips the first part and just returns the wrapped > IPv4 address in an AAAA record? > > 2. I already have 2 VMs configured for my subnet, one acting as router, and > the other my NAT64. Can Bind share the Debian TAYGA/NAT64 machine, or do I > need to create a new VM for Bind as well? > > Thanks for your help! > Rick > _______________________________________________ > Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe > from this list > > bind-users mailing list > bind-users@lists.isc.org > https://lists.isc.org/mailman/listinfo/bind-users _______________________________________________ Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users