Re: Authoritative Resources for Public DNS Pinging

[Christopher Morrow <morrowc.lists () gmail com>]

On Tue, Feb 8, 2022 at 4:05 PM Mike Hammett <nanog () ics-il net> wrote:

> Some people need a clue by four and I'm looking to build my collection of
> them.
>
>
> Someone on Outages was nice enough to send this about someone else's
> thread:
> https://peering.google.com/#/learn-more/faq
>
> "Google services, including Google Public DNS, are not designed as ICMP
> network testing services"
you know what you COULD do though... probe it with DNS requests, and then
you know, test the service being offered, and still know that 'the internet
is not on fire'.



> -----
> Mike Hammett
> Intelligent Computing Solutions <http://www.ics-il.com/>
> <https://www.facebook.com/ICSIL>
> <https://plus.google.com/+IntelligentComputingSolutionsDeKalb>
> <https://www.linkedin.com/company/intelligent-computing-solutions>
> <https://twitter.com/ICSIL>
> Midwest Internet Exchange <http://www.midwest-ix.com/>
> <https://www.facebook.com/mdwestix>
> <https://www.linkedin.com/company/midwest-internet-exchange>
> <https://twitter.com/mdwestix>
> The Brothers WISP <http://www.thebrotherswisp.com/>
> <https://www.facebook.com/thebrotherswisp>
> <https://www.youtube.com/channel/UCXSdfxQv7SpoRQYNyLwntZg>
> ------------------------------
> *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
>
> 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?
> >
> >
> >
> > -----
> > Mike Hammett
> > Intelligent Computing Solutions <http://www.ics-il.com/>
> > <https://www.facebook.com/ICSIL>
> > <https://plus.google.com/+IntelligentComputingSolutionsDeKalb>
> > <https://www.linkedin.com/company/intelligent-computing-solutions>
> > <https://twitter.com/ICSIL>
> > Midwest Internet Exchange <http://www.midwest-ix.com/>
> > <https://www.facebook.com/mdwestix>
> > <https://www.linkedin.com/company/midwest-internet-exchange>
> > <https://twitter.com/mdwestix>
> > The Brothers WISP <http://www.thebrotherswisp.com/>
> > <https://www.facebook.com/thebrotherswisp>
> > <https://www.youtube.com/channel/UCXSdfxQv7SpoRQYNyLwntZg>