Re: DNS Issue with proofpoint.com

2014-04-16 Thread Mark Andrews
In message , B randon Galbraith writes: > On Wed, Apr 16, 2014 at 9:49 AM, William Herrin 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

Re: DNS Issue with proofpoint.com

2014-04-16 Thread Brandon Galbraith
On Wed, Apr 16, 2014 at 9:49 AM, William Herrin 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, similar to

Re: DNS Issue with proofpoint.com

2014-04-16 Thread William Herrin
On Wed, Apr 16, 2014 at 11:04 AM, wrote: > On Wed, Apr 16, 2014 at 10:49:24AM -0400, William Herrin wrote: >> On Wed, Apr 16, 2014 at 10:45 AM, TGLASSEY wrote: >> > Wouldn't it make sense if we created a specific mail alias for requesting >> > DNS flushes? This seems to happen statistically ofte

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 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 b

Re: DNS Issue with proofpoint.com

2014-04-16 Thread William Herrin
On Wed, Apr 16, 2014 at 10:45 AM, TGLASSEY 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 sense is some sort of a

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 list

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, due