[Xymon] www.xymon.com now available via IPv6

Bruce Ferrell bferrell at gmail.com
Tue Nov 8 17:14:51 CET 2011


It works now.  Good job!

On 11/08/2011 07:00 AM, Henrik Størner wrote:
> Hi Bruce,
>
> On 08-11-2011 14:35, Bruce Ferrell wrote:
>> Not to be a wet blanket,
>
> Not at all, I'd rather know about these problems.
>
>> but DNS is mildly hosed.
>>
>> ping xymon.com
>> PING xymon.com (90.184.111.80) 56(84) bytes of data.
>
> that's my firewall dropping your ping. DNS is ok here...
>
>> ping www.xymon.com
>> ping: unknown host www.xymon.com
>
> but not here.
>
> I think I've got it fixed now, but it may take 12 hours for the change to propagate out (DNS caching and all).
>
> It's weird. I had
> * an A record for xymon.com = 90.184.111.80
> * an AAAA record for xymon.com = 2001:16d8:dda8:0:21c:c0ff:fec0:1875
> * a CNAME for *.xymon.com = xymon.com
> and that apparently breaks.
>
> Even weirder, if I do a "dig www.xymon.com" I get an error (so that matches your experience). But if I do a "dig +trace www.xymon.com" it finds the IPv4 address just fine.
>
> I think the wildcard CNAME is the culprit, but I am not quite sure why.
>
>
> Regards,
> Henrik
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