[swinog] Sporadic DNS resolver error for *.mail.protection.outlook.com

2018-05-22 Diskussionsfäden Daniel Stirnimann
looks like the authoritative nameservers cannot handle EDNS(0) queries (standardized in 1999, rfc2671). While this is not a problem per see, the FORMERR response is not according RFC. For more details see: https://ednscomp.isc.org/ednscomp/17c95198e4#edns Name resolution therefore relies on

Re: [swinog] Sporadic DNS resolver error for *.mail.protection.outlook.com

2018-05-22 Diskussionsfäden Markus Wild
> we see sporadic DNS resolver errors for A records of > *.mail.protection.outlook.com > > Only a few per day vs many successful lookups. I haven't noticed this, but we found out last week that Microsoft apparently has enabled a new cluster of servers for europe in networks 40.92.7[345].*.

Re: [swinog] Sporadic DNS resolver error for *.mail.protection.outlook.com

2018-05-22 Diskussionsfäden Felix Meier
Hi Ralf We see these problems too. best regards, Felix Am 22.05.2018 um 11:09 schrieb Ralf Zenklusen, BAR Informatik AG: > > Hi, > > we see sporadic DNS resolver errors for A records of > *.mail.protection.outlook.com > > Only a few per day vs many successful lookups. > >   > > Anybody else

[swinog] Sporadic DNS resolver error for *.mail.protection.outlook.com

2018-05-22 Diskussionsfäden r...@bar.ch
Hi, we see sporadic DNS resolver errors for A records of *.mail.protection.outlook.com Only a few per day vs many successful lookups. Anybody else seeing these? Kind regards Ralf Ralf Zenklusen Dipl. El. Ing. HTL Leiter Internet BAR Informatik AG Weidenweg 235 3902

[swinog] Sporadic DNS resolver error for *.mail.protection.outlook.com

2018-05-22 Diskussionsfäden Ralf Zenklusen, BAR Informatik AG
Hi, we see sporadic DNS resolver errors for A records of *.mail.protection.outlook.com Only a few per day vs many successful lookups. Anybody else seeing these? Kind regards Ralf Ralf Zenklusen Dipl. El. Ing. HTL Leiter Internet BAR Informatik AG Weidenweg 235 3902