DNS Issue with proofpoint.com

Wed Apr 16 14:45:21 UTC 2014

Wouldn't it make sense if we created a specific mail alias for 
requesting DNS flushes? This seems to happen statistically often enough 
it might be a valuable service to bundle under the NANOG umbrella.

Todd

On 4/16/2014 2:27 AM, Jaren Angerbauer wrote:
> All,
>
> Sending this out (to multiple lists -- apologies for the potential
> duplicates) in the hopes to proactively resolve any mail flow issues to /
> from Proofpoint customers.
>
> Earlier this evening, we had some DNS issues with our domain (proofpoint.com).
> We've resolved the main problem, however, due to old cached DNS
> information, the fall out now is that *many* (i.e. hundreds at this point)
> customers are are seeing major email delays.
>
> For any DNS operators, it would be much appreciated if you could flush your
> DNS servers for proofpoint.com.
>
> Among other providers, we are still seeing delays with mail flow to ATT
> Wireless and Verizon Wireless.
>
> Thanks in advance for your assistance on this.
>
> Jaren Angerbauer
> Deliverability & ISP Relations Manager
> Proofpoint
>

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