[dns-operations] new public DNS service: 220.127.116.11
jared at puck.nether.net
Thu Nov 23 16:50:56 UTC 2017
> On Nov 23, 2017, at 11:29 AM, Stephane Bortzmeyer <bortzmeyer at nic.fr> wrote:
> On Thu, Nov 23, 2017 at 03:46:02PM +0200,
> Taras Heichenko <tasic at hostmaster.ua> wrote
> a message of 25 lines which said:
>> If you know folks from quad9 could you send to them this link
>> which point to letter that describe weird effect of quad9 work?
> There is nothing wrong here and Quad9 has nothing to fix. Using ICMP
> to measure the RTT of a DNS server is brittle and yield unexpected
> results. If you want to know the RTT of Quad9, send DNS requests.
It’s a proxy for what works well (or might work well), but for what doesn’t work well - it often require more study.
Those probes could be bad (for example). For the ICMP case I just created a one-off with 500 random probes.
If you want Ripe ATLAS credits to do your own study, send me a email with what your RIPE username is so I can transfer you some credits.
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