You can test like this:

*curl -sS localhost:9119/metrics | grep bind_up*
# HELP bind_up Was the Bind instance query successful?
# TYPE bind_up gauge
bind_up 1

If bind_up is 0 then it's failing to communicate to bind over the 
statistics channel.

On Friday, 21 January 2022 at 08:31:47 UTC Brian Candler wrote:

> On Friday, 21 January 2022 at 04:56:36 UTC [email protected] wrote:
>
>> - should bind exporter and bind server on a same server? Can we install 
>> bind exporter on a different server?
>>
>
> https://github.com/prometheus-community/bind_exporter#troubleshooting
>
> "It's *recommended* to run the bind_exporter next to BIND, so it's only 
> necessary to open a port locally."  [my emphasis]
> But you can query the stats from a remote exporter if you need to.
>  
>
>>  if we install on a different server, which parameters should be 
>> specified? Whether the following parameter is enough?
>>  --bind.stats-url=http://XXX:8053/
>> - we encounter an issue that we cannot get any metrics which are required 
>> to be collected by bind exporter, any critical ACL we haven't set?
>>
>
> Did you change this in your bind config?
>
> statistics-channels { inet 127.0.0.1 port 8053 allow { 127.0.0.1; }; 
> };
>
> You'll need to bind to a different interface than 127.0.0.1 (maybe 0.0.0.0 
> for "all interfaces"), and you'll need to allow the source IP of your 
> exporter. 
>

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