Yes, it has been this way for at least a decade. DNS are not polling servers.
- Mike Bolitho On Tue, Feb 8, 2022, 1:29 PM James Host via Outages <[email protected]> wrote: > Is it that atypical for these public-facing services to drop ICMP when > they get hot? I'd not consider it an indicator of service down unless > you're getting SRVFAILs > > James Host > Architect - CDN Platform > E: [email protected] > > > On Tue, Feb 8, 2022 at 12:01 PM Christopher Conley via Outages < > [email protected]> wrote: > >> This happens occasionally on 8.8.8.8 and 8.8.4.4. We used to use these >> IPs as Internet reachability tests for determining failover to backup >> circuits and moved away from it after the first occurrence of this >> happening. >> >> >> >> -- >> >> Christopher Conley >> >> Systems Administrator | Fors Marsh Group >> >> 1010 N. Glebe Rd, Suite 510 >> >> Arlington, VA 22201 >> >> >> >> *From:* Outages <[email protected]> *On Behalf Of *Justin >> Krejci via Outages >> *Sent:* Tuesday, February 8, 2022 2:34 PM >> *To:* [email protected] >> *Subject:* [EXTERNAL] [outages] Ping to Google 8.8.8.8 >> >> >> >> Seeing some hosts and not others get no reply to ICMP pings from the >> Minneapolis, MN area. I checked using HE's looking glass, 1 of their 2 >> Minneapolis routers gets no replies. Since many use and assume 8.8.8.8 is >> invincible, this has now started setting off monitoring alerts. DNS queries >> so far seem unaffected. >> _______________________________________________ >> Outages mailing list >> [email protected] >> https://puck.nether.net/mailman/listinfo/outages >> > _______________________________________________ > Outages mailing list > [email protected] > https://puck.nether.net/mailman/listinfo/outages >
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