CloudFlare Issues?

Sat Jul 18 00:59:17 UTC 2020

All three resolver of the big German hoster Hetzner went offline with 1.1.1.1 and were down another hour after Cloudflare was up again.
I hope it was a coincidence and they are not forwarding their requests to 1.1.1.1.

https://www.hetzner-status.de/

- vidister

> On 18. Jul 2020, at 02:46, John Von Essen <john at essenz.com> wrote:
> 
> Did anyone see any collateral damage from this outside of Cloudflare? Specifically Azure?
> 
> I manage a very large site in Azure, and at the exact same time of the Cloudflare incident we saw a spike in traffic (like a DDoS or Bot), then followed by unusual hardware resource anomalies. We’re globally spread in Azure, but we only saw this in the US and Brazil.
> 
> Very coincidental, but possible.
> 
> 
> -John
> 
>> On Jul 17, 2020, at 5:33 PM, Aaron C. de Bruyn via NANOG <nanog at nanog.org> wrote:
>> 
>> More digging shows high latency to CloudFlare DNS servers from Comcast in Washington and Oregon as well as a few other providers (Charter, ToledoTel), etc...
>> 
>> Sites that do resolve using other DNS servers but are hosted on CloudFlare aren't loading.
>> Sites that use CloudFlare for their DNS aren't resolving either.
>> traceroute to 1.1.1.1 (1.1.1.1), 30 hops max, 60 byte packets
>> 
>> 1  _gateway (192.168.42.254)  0.185 ms  0.109 ms  0.117 ms
>> 2  pppoe-gw-208-70-52.toledotel.com (208.70.52.1)  1.896 ms  1.881 ms  1.903 ms
>> 3  tuk-edge-13.inet.qwest.net (198.233.244.225)  4.158 ms  4.082 ms  4.071 ms
>> 4  sea-brdr-03.inet.qwest.net (67.14.41.154)  8.976 ms  8.949 ms  8.903 ms
>> 5  * * *
>> 6  ae-1-51.ear2.Seattle1.Level3.net (4.69.203.173)  4.494 ms  4.350 ms  4.311 ms
>> 7  4.53.154.10 (4.53.154.10)  77.622 ms  103.323 ms  103.240 ms
>> 8  * * *
>> 9  * * *
>> 10  * * *
>> 11  * * *
>> 12  * * *
>> 13  one.one.one.one (1.1.1.1)  87.515 ms * *
>> 
>> -A
>> 
>> On Fri, Jul 17, 2020 at 2:18 PM Aaron C. de Bruyn <aaron at heyaaron.com> wrote:
>> Anyone seeing Cloudflare DNS outages or site issues?
>> 
>> Affecting a bunch of sites in Washington and Oregon.
>> 
>> -A
> 