Proxy requests but filter out IPv4 address

[Bob Harold]

RPZ should be able to do that.  Read up on RPZ in the BIND manual, and
search online for more info.

-- 
Bob Harold


On Fri, Aug 19, 2022 at 2:56 AM Matthias Fechner <idefix at fechner.net> wrote:

> Dear all,
>
> I'm not sure if bind can do this, but let me explain what I would like
> to do.
>
> It is a hostname from a foreign domain, like:
> test.myfritz.net
>
> it is returning an IPv4 and IPv6 address:
> host test.myfritz.net
> test.myfritz.net has address 100.91.114.161
> test.myfritz.net has IPv6 address 2a02:6d40:17:9dc7:e228:6dff:fe8d:1f41
>
> The IPv4 address will not work due to carrier-nat, so only the IPv6
> address would be reachable from outside.
>
> Is there a way to configure bind that if I resolve test.myfritz.net (it
> must not be under the domain myfritz.net, but can also be in a way
> aliased to a domain I own) that it only returns the IPv6 address but
> totally skip the IPv4 address?
> The IPv4 and IPv6 addresses are not permanent and change at least once a
> day.
>
>
> Gruß
> Matthias
>
> --
>
> "Programming today is a race between software engineers striving to
> build bigger and better idiot-proof programs, and the universe trying to
> produce bigger and better idiots. So far, the universe is winning." --
> Rich Cook
>
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