Re: [mailop] Microsoft RDNS issues

2021-09-01 Thread Neil Youngman via mailop
On 23/08/2021 17:16, Neil Youngman wrote: Is anybody else seeing issues with some Microsoft RDNS failing intermittently. I'm seeing RDNS failures in our Exim logs, but when I check the IPs from the command line, there are no obvious issues and it isn't affecting all our traffic from Microsoft.

Re: [mailop] Microsoft RDNS issues

2021-08-25 Thread Al Iverson via mailop
, > > Nitin Agarwal > > nagar...@misk.com > > https://www.misk.com/ > > https://www.misk.com/tools/ > > > > > > -Original Message- > > From: mailop On Behalf Of Neil Youngman via > > mailop > > Sent: Monday, August 23, 2021 9:16 AM &g

Re: [mailop] Microsoft RDNS issues

2021-08-24 Thread Al Iverson via mailop
tlook.com > @ns2-gtm.glbdns.o365filtering.com > > If anyone has a contact there on the right team, please forward. > > Thanks, > Nitin Agarwal > nagar...@misk.com > https://www.misk.com/ > https://www.misk.com/tools/ > > > -Original Message----- > From:

Re: [mailop] Microsoft RDNS issues

2021-08-24 Thread Nitin Agarwal via mailop
.com/tools/ -Original Message- From: mailop On Behalf Of Neil Youngman via mailop Sent: Monday, August 23, 2021 9:16 AM To: mailop@mailop.org Subject: [mailop] Microsoft RDNS issues Is anybody else seeing issues with some Microsoft RDNS failing intermittently. I'm seeing RDNS failures i

Re: [mailop] Microsoft RDNS issues

2021-08-23 Thread Neil Youngman via mailop
On 23/08/2021 18:06, Al Iverson wrote: Here's an odd question. Do you use Google Public DNS or your own resolvers? I was indeed running into random, unexpected rDNS failures using Google Public DNS 8.8.8.8/8.8.4.4 yesterday. I haven't poked at it again today to see if it's still happening. We u

Re: [mailop] Microsoft RDNS issues

2021-08-23 Thread Al Iverson via mailop
Here's an odd question. Do you use Google Public DNS or your own resolvers? I was indeed running into random, unexpected rDNS failures using Google Public DNS 8.8.8.8/8.8.4.4 yesterday. I haven't poked at it again today to see if it's still happening. In my case it wasn't Microsoft specific, but i

Re: [mailop] Microsoft RDNS issues

2021-08-23 Thread Thomas Mechtersheimer via mailop
On Mon, Aug 23, 2021 at 05:16:09PM +0100, Neil Youngman via mailop wrote: > Is anybody else seeing issues with some Microsoft RDNS failing > intermittently. I'm seeing RDNS failures in our Exim logs, but when I > check the IPs from the command line, there are no obvious issues and it > isn't affect

[mailop] Microsoft RDNS issues

2021-08-23 Thread Neil Youngman via mailop
Is anybody else seeing issues with some Microsoft RDNS failing intermittently. I'm seeing RDNS failures in our Exim logs, but when I check the IPs from the command line, there are no obvious issues and it isn't affecting all our traffic from Microsoft. It seems t have started a little before midn