2 May
2013
2 May
'13
1:16 p.m.
Our Technical Support is reporting a big jump in Outlook connectivity issues about 5-10 minutes ago. Our resolvers are testing fine. -- Thanks, Joe On Thu, May 2, 2013 at 4:53 AM, Joe Abley <jabley@hopcount.ca> wrote:
On 2013-05-02, at 02:42, Cathy Almond <cathya@isc.org> wrote:
This may be a red herring, but I've heard of some dropping of DNS queries for the names within outlook.com domains where the queries are all coming from source port 53 (i.e. your recursive server doesn't use query source port randomization
... or there's a NAT or some other box in front of the recursive server which re-writes the source port...
). Might be worth checking what the recursive server you're using is doing?
Joe