[Yeti DNS Discuss] RIPE Atlas DomainMON for Yeti

Kovalenko Dmitry d.kovalenko at msk-ix.ru
Tue Dec 8 20:14:41 UTC 2015


Hello

interesting.
Davey, Why do you use 60 ms  and 250 ms response times to measure good 
and bad scores? Are there any recommendations (RFC, BCP) for real root 
response time?

08.12.15 20:47, "Davey(宋林健)" пишет:
> I found the response time of yeti root is not very optimistic…
>
> Davey
>> 在 2015年12月9日,01:20,Davey(宋林健) <ljsong at biigroup.cn 
>> <mailto:ljsong at biigroup.cn>> 写道:
>>
>> See what I got.
>>
>> https://atlas.ripe.net/domainmon/yetiroot./85/f1gFuyhM/
>>
>> But my credits of Atlas will run out in 56 days…
>>
>> Davey
>>
>>> 在 2015年12月4日,00:23,Shane Kerr <shane at biigroup.cn 
>>> <mailto:shane at biigroup.cn>> 写道:
>>>
>>> Hello,
>>>
>>> There was an article on RIPE Labs today about "DomainMON", which is a
>>> way to get the DNSMON for any random domain:
>>>
>>> https://labs.ripe.net/Members/suzanne_taylor_muzzin/ripe-atlas-domainmon-is-here
>>>
>>> I decided to try this for Yeti.
>>>
>>> * On the first page, where it asked for the domain, I put ".".
>>>
>>> * I was presented with a list of all of the IANA root servers, by name
>>>  and IP address. I unchecked the column "Include this server?" for all
>>>  of them (the were on by default).
>>>
>>> * I then used "Add manually defined servers" and cut & paste the
>>>  results of my local "dig -t ns ." (I have my local resolver using the
>>>  Yeti servers.)
>>>
>>>  I did get a bug of some kind. When I added the 2nd server it also
>>>  added d.root-servers.net <http://d.root-servers.net> but with a 
>>> strange IPv4 address. Clicking
>>>  "X" to remove this from the list of manual entries seemed to work
>>>  fine. This happened again on the 5th server. (My guess is that this
>>>  has something to do with IPv6-only servers.)
>>>
>>> * Adding servers manually re-checks all of the "Include this server?"
>>>  boxes, so I unchecked those again.
>>>
>>> * Going to the next page, the options are:
>>>
>>>  * Number of probes (defaults to 10)
>>>  * UDP with frequency (defaults to on, 3600 seconds)
>>>  * TCP with frequency (defaults to off, 3600 seconds)
>>>  * ICMP with frequency (defaults to off, 3600 seconds)
>>>
>>>  These defaults cost 167% of my daily credit income. I played with the
>>>  values and opted for:
>>>
>>>  * 2 probes
>>>  * UDP on at 3600 seconds
>>>  * TCP on at 7200 seconds
>>>  * ICMP on at 14400 seconds
>>>
>>>  With these values it runs at 92% of my daily credit income.
>>>
>>> * I clicked on the green "Monitor" button and got an error page.
>>>  Luckily the actual monitoring seems to have been registered. I can't
>>>  edit the page, but it seems like it is there. When I look at the "my
>>>  measurements" page I see the measurements - and that pesky
>>> h.root-servers.net <http://h.root-servers.net>. :P
>>>
>>> I've mailed the RIPE NCC to see if they can fix the various issues.
>>>
>>> We may also want more tweaking, because it seems like the probes picked
>>> may not be those with "good IPv6 connectivity" which basically makes it
>>> worthless for us.
>>>
>>> Overall it seems like a great tool for watching Yeti though! Or maybe
>>> that it *will be*. I remain hopeful, and will let you know how it
>>> progresses. :)
>>>
>>> Cheers,
>>>
>>> --
>>> Shane
>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> discuss mailing list
>>> discuss at lists.yeti-dns.org <mailto:discuss at lists.yeti-dns.org>
>>> http://lists.yeti-dns.org/mailman/listinfo/discuss
>>
>> ---------------------------
>> Davey Song(宋林健)
>> BII Lab
>> ljsong at biigroup.cn <mailto:ljsong at biigroup.cn>
>>
>>
>>
>> _______________________________________________
>> discuss mailing list
>> discuss at lists.yeti-dns.org <mailto:discuss at lists.yeti-dns.org>
>> http://lists.yeti-dns.org/mailman/listinfo/discuss
>
> ---------------------------
> Davey Song(宋林健)
> BII Lab
> ljsong at biigroup.cn <mailto:ljsong at biigroup.cn>
>
>
>
>
>
> _______________________________________________
> discuss mailing list
> discuss at lists.yeti-dns.org
> http://lists.yeti-dns.org/mailman/listinfo/discuss

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