[outages] Zoom Outage 4/16/25 15:30 EDT

[Justin Paine]

*100% was not a DoS attack. *

Any ongoing issues resolving the domain would likely be a result of
cached/stale DNS resolution data.

The domain registry removed the serverHold roughly 75 minutes ago at 1:21pm
PST.

<https://www.cloudflare.com/>

__________________
*Justin Paine*
He/Him/His
VP, Global Head of Trust & Safety
101 Townsend St, San Francisco, CA 94107 <https://www.cloudflare.com/>

*PGP:* BBAA 6BCE 3305 7FD6 6452 7115 57B6 0114 DE0B 314D
<https://keys.openpgp.org/vks/v1/by-fingerprint/BBAA6BCE33057FD66452711557B60114DE0B314D>

*Book a meeting:* HERE <https://calendar.app.google/43YAPVTwuK8XM7wS6>


On Wed, Apr 16, 2025 at 2:04 PM Mel Beckman via Outages <outages at outages.org>
wrote:

> I get “you have been blocked” from Zoom’s own server, for failing to pass
> some security check. This is from a Frontier California FIOS IP. If I
> switched to a cellular connection, then I get right in.
>
> Possibly, they are dealing with a with a DDoS attack
>
>  -mel
>
> On Apr 16, 2025, at 1:17 PM, Andy Jabbour via Outages <outages at outages.org>
> wrote:
>
> 
> There are a few open source reports on this now too, including:
> https://www.theverge.com/news/650123/zoom-down-outage-video-calls
>
> - andy
>
>
>
> *Join the GRIP <https://gate15.global/enhancedintelsolutions/>**; Gate
> 15’s Resilience and Intelligence Portal! *
>
>
>
>  *ANJ* | Andy N. Jabbour | *Gate 15* | *andy at gate15.global
> <andy at gate15.global>*
>
>
> *From: *Outages <outages-bounces at outages.org> on behalf of Josh Luthman
> via Outages <outages at outages.org>
> *Date: *Wednesday, April 16, 2025 at 4:07 PM
> *To: *Michael Sinatra <michael+outages at burnttofu.net>
> *Cc: *outages <outages at outages.org>
> *Subject: *Re: [outages] Zoom Outage 4/16/25 15:30 EDT
>
> >Other US domains are working.  Not sure what's going on with that...
>
> I'm also seeing a Cloudflare error page for www.zoom.com
>
> On Wed, Apr 16, 2025 at 3:59 PM Michael Sinatra via Outages <
> outages at outages.org> wrote:
>
>
>
> On 4/16/25 12:47, Cary Wiedemann via Outages wrote:
> > zoom.us <http://zoom.us> and all subdomains return NXDOMAIN (AWS Route
> > 53 hosted)
> > zoom.com <http://zoom.com> goes to a Cloudflare down page
> >
> > Major outage.
>
> The zoom.us is on an ICANN "serverhold" in the US domain.  Other US
> domains are working.  Not sure what's going on with that...
>
> It appears to have been placed in this state at: Updated Date:
> 2025-04-16T18:25:44Z
>
> Any reply I make from now on will go to -discussion; just wanted to get
> this piece of status onto the main list.
>
> michael
>
>
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