DNS Issue with proofpoint.com

2014-04-16 Thread Jaren Angerbauer
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,

Re: DNS Issue with proofpoint.com

2014-04-16 Thread TGLASSEY
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

Re: DNS Issue with proofpoint.com

2014-04-16 Thread William Herrin
On Wed, Apr 16, 2014 at 10:45 AM, TGLASSEY tglas...@earthlink.net wrote: 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. What would make

Re: DNS Issue with proofpoint.com

2014-04-16 Thread bmanning
On Wed, Apr 16, 2014 at 10:49:24AM -0400, William Herrin wrote: On Wed, Apr 16, 2014 at 10:45 AM, TGLASSEY tglas...@earthlink.net wrote: 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

Re: DNS Issue with proofpoint.com

2014-04-16 Thread William Herrin
On Wed, Apr 16, 2014 at 11:04 AM, bmann...@vacation.karoshi.com wrote: On Wed, Apr 16, 2014 at 10:49:24AM -0400, William Herrin wrote: On Wed, Apr 16, 2014 at 10:45 AM, TGLASSEY tglas...@earthlink.net wrote: Wouldn't it make sense if we created a specific mail alias for requesting DNS

Re: DNS Issue with proofpoint.com

2014-04-16 Thread Brandon Galbraith
On Wed, Apr 16, 2014 at 9:49 AM, William Herrin b...@herrin.us wrote: What would make sense is some sort of attribute on the DNS record which instructed servers not to cache it for so long that mistakes have a lasting impact. Or a pub/sub method of sending an immediate invalidation request,

Re: DNS Issue with proofpoint.com

2014-04-16 Thread Mark Andrews
In message CADE4tYUzZdKDCnDyz7k9Pwbn7oH5_zzs6zqEnteAtifnB=f...@mail.gmail.com, B randon Galbraith writes: On Wed, Apr 16, 2014 at 9:49 AM, William Herrin b...@herrin.us wrote: What would make sense is some sort of attribute on the DNS record which instructed servers not to cache it for so