Re: Barclays bank domain unresolvable only on some servers

2019-06-16 Thread Sebastian Arcus
On 16/06/19 14:31, Mark Andrews wrote: No. Treating no response as anything other than packet loss leads to lookups failing when it is packet loss. That makes sense - thank you Mark -- Mark Andrews On 16 Jun 2019, at 23:10, Sebastian Arcus wrote: On 16/06/19 12:37, Mark Andrews

Re: Barclays bank domain unresolvable only on some servers

2019-06-16 Thread Sebastian Arcus
G 9.15.0 <<>> federate-secure.glbaa.barclays.com @ns21.barclays.com ;; global options: +cmd ;; connection timed out; no servers could be reached % On 16 Jun 2019, at 6:43 pm, Sebastian Arcus wrote: I have discovered Friday that the following domain used by Barclays bank in UK doesn

Re: Barclays bank domain unresolvable only on some servers

2019-06-16 Thread Sebastian Arcus
; MSG SIZE rcvd: 47 And yet Google's DNS does manage to solve the full federate-secure.glbaa.barclays.com somehow Is something amiss in the Barclays DNS config, and somehow Google servers manage to cope with it? :-) Simon On 16 Jun 2019, at 09:43, Sebastian Arcus wrote: I have d

Barclays bank domain unresolvable only on some servers

2019-06-16 Thread Sebastian Arcus
I have discovered Friday that the following domain used by Barclays bank in UK doesn't resolve properly - but only on some of my servers running Bind: federate-secure.glbaa.barclays.com It works on a server with v9.12.3, but it fails on a server with v9.11.0 and another one with v9.14.2. Howe