23 Nov
2017
23 Nov
'17
5:31 p.m.
On Thu, Nov 23, 2017 at 09:56:02AM +0100, Michael Meier <michael.meier@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.