nanog mailing list archives
Re: Could not send email to office 365
From: JoeSox <joesox () gmail com>
Date: Thu, 2 May 2013 10:16:06 -0700
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? See https://www.dns-oarc.net/oarc/services/porttestJoe
Current thread:
- Re: Could not send email to office 365, (continued)
- Re: Could not send email to office 365 JoeSox (May 01)
- RE: Could not send email to office 365 Ryan Finnesey (May 01)
- RE: Could not send email to office 365 Tony Patti (May 01)
- RE: Could not send email to office 365 Ryan Finnesey (May 01)
- Re: Could not send email to office 365 Jay Ashworth (May 01)
- Re: Could not send email to office 365 Warren Bailey (May 01)
- RE: Could not send email to office 365 Keith Medcalf (May 01)
- RE: Could not send email to office 365 Ryan Finnesey (May 01)
- Re: Could not send email to office 365 Joe Abley (May 02)
- Re: Could not send email to office 365 JoeSox (May 02)
- Re: Could not send email to office 365 JoeSox (May 08)
- RE: Could not send email to office 365 Jason Sherron (May 14)
- Re: Could not send email to office 365 Bernhard Schmidt (May 14)
- Re: Could not send email to office 365 JoeSox (May 14)