[Users] zimbra.org Public DNS - Gone?

L. Mark Stone mark.stone at reliablenetworks.com
Fri Oct 21 15:14:34 CEST 2016


Thanks David and Tony! 

It's off the air for me, so forum posts awaiting moderation will need to wait a little longer -- unless Bill or another mod gets in there. 

Best regards to all, 
Mark 
___________________________________________________________ 
A Message From... L. Mark Stone, General Manager 

"Uptime. All the time." ® www.reliablenetworks.com 

Fourteen Years In Business! 2003 - 2016! 

477 Congress Street, Suite 812 | Portland, ME 04101 | ( 207) 772-5678 
Citrix XenApp/XenDesktop Hosting | SOC 2 Type II Audit 
Zimbra Groupware | Mission-Critical Cl oud Hosting 

This email may contain information that is privileged and confidential. 
If you suspect that you were not intended to receive it, please delete 
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> From: "Tony Publiski" <tonster at tonster.com>
> To: "David Touitou" <david at network-studio.com>
> Cc: users at lists.zetalliance.org, "L. Mark Stone"
> <mark.stone at reliablenetworks.com>
> Sent: Friday, October 21, 2016 9:05:56 AM
> Subject: Re: [Users] zimbra.org Public DNS - Gone?

> Nice. Maybe I've got stuff cached right now, or maybe it's just working for
> whatever nameserver(s) I managed to hit. We do use AWS load balancers, which
> leverage the AWS-hosted DNS in order to scale up and down based on usage, so
> any impact to the AWS DNS infrastructure will impact us.

> Tony

> ----- Original Message -----
> From: "David Touitou" <david at network-studio.com>
> To: "L. Mark Stone" <mark.stone at reliablenetworks.com>
> Cc: users at lists.zetalliance.org
> Sent: Friday, October 21, 2016 8:57:46 AM
> Subject: Re: [Users] zimbra.org Public DNS - Gone?

> AFAIR, they (Zimbra/Synacor) use the Amazon/AWS whole package also for DNS.

> That is broken right now.: http://status.aws.amazon.com/
> "We are investigating elevated errors resolving the DNS hostnames
> used to access some AWS services in the US-EAST-1 Region."

> Amazon seems to be using Dyn infrastructure for its DNS service:
> https://www.dynstatus.com/incidents/nlr4yrr162t8
> "DDoS Attack Against Dyn Managed DNS
> Incident Report for Dyn, Inc.
> Subscribe to Updates
> Update
> This attack is mainly impacting US East and is impacting Managed DNS customer in
> this region. Our Engineers are continuing to work on mitigating this issue.
> Posted 3 minutes ago. Oct 21, 2016 - 12:45 UTC
> Investigating
> Starting at 11:10 UTC on October 21th-Friday 2016 we began monitoring and
> mitigating a DDoS attack against our Dyn Managed DNS infrastructure. Some
> customers may experience increased DNS query latency and delayed zone
> propagation during this time. Updates will be posted as information becomes
> available.

> Customers with questions or concerns are encouraged to reach out to our
> Technical Support Team.
> Posted about 2 hours ago. Oct 21, 2016 - 11:10 UTC"

> ----- Mail original -----
> > De: "L. Mark Stone" <mark.stone at reliablenetworks.com>
> > À: users at lists.zetalliance.org
> > Envoyé: Vendredi 21 Octobre 2016 14:51:36
> > Objet: [Users] zimbra.org Public DNS - Gone?

> > Who manages public DNS for zimbra.org?

> > No SOA, no nameservers, no forums...

> > All the best,
> > Mark

> > ___________________________________________________________
> > A Message From... L. Mark Stone, General Manager

> > "Uptime. All the time." ® www.reliablenetworks.com





> > Fourteen Years In Business! 2003 - 2016!


> > 477 Congress Street, Suite 812 | Portland, ME 04101 | ( 207) 772-5678
> > Citrix XenApp/XenDesktop Hosting | SOC 2 Type II Audit
> > Zimbra Groupware | Mission-Critical Cl oud Hosting


> > This email may contain information that is privileged and confidential.
> > If you suspect that you were not intended to receive it, please delete
> > it and notify us as soon as possible. Thank you.
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