Question About Recursion In A Split Horizon Setup

[Timothe Litt]

On 17-Apr-20 10:56, Tim Daneliuk wrote:
> On 4/17/20 9:50 AM, Bob Harold wrote:
>> Agree, that's odd, and not what the man page says.  Any chance that there is some other DNS helper running, like resolved, nscd, dnsmasq, etc?
> Nope.  This is vanilla FreeBSD with vanilla bind running.
>
>> 'dig' should tell you what address it used, at the bottom of the output - what does it say?
>
>
> ;; Query time: 0 msec
> ;; SERVER: ::1#53(::1)
> ;; WHEN: Fri Apr 17 09:53:51 CDT 2020
> ;; MSG SIZE  rcvd: 83
>
>
> Does the SERVER line indicate it's trying to get to the local instance via
> IPV6 or is this just standard notation?  (This is an IPV4 only environment).
>
>
You seem to be selecting views based on IP address.

If the host on which you are running dig is multi-homed, the OS may pick
a source
address other than what you intend.  Use -b to explicitly bind to a
particular interface.

(Or, if you use TSIG to match views, -k)


Timothe Litt
ACM Distinguished Engineer
--------------------------
This communication may not represent the ACM or my employer's views,
if any, on the matters discussed. 

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