[Xymon] what IS the "DNS" check in xymon?

[Richard L. Hamilton]

Would an AAAA lookup also work? I realize that most of Xymon isn't yet IPv6 aware, but if one can define a DNS test to use arbitrary types, it seems that _ought_ to work.

> On Feb 15, 2022, at 11:28, John Thurston <john.thurston at alaska.gov> wrote:
> 
> 'tis in the man page for hosts.cfg, but I'll paste it here for ready reference:
> 
> *dns*
>    Simple DNS test. It will attempt to lookup the A record for the hostname of the DNS server.
> 
> 
> Which means the test performed by xymonnet is attempting to look up an A-record for the name "walkie" and failing. It is doing something like:
> 
>   dig +short +notcp A walkie @10.24.38.132
> 
> Either change your hostname to a fully-qualified domain name (FQDN) (e.g. walkie.foo.bar.com), or change your DNS test to use the long-form:
> 
> *dns=TYPE:lookup[,TYPE:lookup...]*
>    The default DNS tests will attempt a DNS lookup of the DNS' servers own hostname. You can specify the hostname to lookup on a DNS server by listing it on each test.
> 
> That would make the right side of your line look like:
>   dns=A:walkie.foo.bar.com
> 
> --
> Do things because you should, not just because you can.
> 
> John Thurston    907-465-8591
> John.Thurston at alaska.gov
> Department of Administration
> State of Alaska
> 
> On 2/14/2022 11:38 PM, Ian Diddams via Xymon wrote:
>> if we set a hosts.cfg line
>> 10.24.38.132    walkie # ssh dns
>> we can expect xymon to check that ssh connections exist for thats erver, and also does some sort of dns check.
>> what exactly IS this check?
>> becasue the dns on that server is runjning fine - but the xymon alert shopws red.
> 
> _______________________________________________
> Xymon mailing list
> Xymon at xymon.com
> http://lists.xymon.com/mailman/listinfo/xymon