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[atlas] Trying to measure Quad9 latency
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Stephane Bortzmeyer
bortzmeyer at nic.fr
Thu Nov 23 17:31:53 CET 2017
On Thu, Nov 23, 2017 at 09:56:02AM +0100, Michael Meier <michael.meier at fau.de> wrote a message of 29 lines which said: > Quad9 seem to do some _extremely_ weird nonsense. > We were measuring ICMP-latency just from different machines on the same > subnet and saw _huge_ differences in the responses: Well, a DNS server does not HAVE TO handle ICMP like you want/expect. If you want the RTT of a DNS server, send it DNS requests.
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