Someone on Outages was nice enough to send this about someone else's thread:
https://peering.google.com/#/learn-more/faq
https://peering.google.com/#/learn-more/faq
"Google services, including Google Public DNS, are not designed as ICMP network testing services"
From: "Tom Beecher" <beecher@beecher.cc>
To: "Mike Hammett" <nanog@ics-il.net>
Cc: "NANOG" <nanog@nanog.org>
Sent: Tuesday, February 8, 2022 3:01:27 PM
Subject: Re: Authoritative Resources for Public DNS Pinging
To: "Mike Hammett" <nanog@ics-il.net>
Cc: "NANOG" <nanog@nanog.org>
Sent: Tuesday, February 8, 2022 3:01:27 PM
Subject: Re: Authoritative Resources for Public DNS Pinging
Are there any authoritative resources from said organizations saying you shouldn't use their servers for your persistent ping destinations?
I'm not sure that an ' authoritative resource ' is really needed. It should be generally understood at this point in the internet's life that networks will block / restrict some or all ICMP traffic as they need to.
On Tue, Feb 8, 2022 at 12:58 PM Mike Hammett <nanog@ics-il.net> wrote:
Yes, pinging public DNS servers is bad.Googling didn't help me find anything.Are there any authoritative resources from said organizations saying you shouldn't use their servers for your persistent ping destinations?