Re: Issues resolving outlook.office365.com

2016-07-12 Thread Thomas Sturm
Please also note that the below test is successful with a prefetch value of 0. To me this really looks like prefetching forgets to update RRSIGs. Thomas > On 06.07.2016, at 15:29, Thomas Sturm wrote: > > Hi Mark, > > I may have found another (possibly related?) bug: > >

Re: Issues resolving outlook.office365.com

2016-07-06 Thread Thomas Sturm
n review and should be in the next maintainance > release. > > Mark > > In message <16a2cdfd-694d-444a-a760-17c9d7517...@open.ch>, Thomas Sturm > writes: >> >> I am now able to reliably reproduce the behaviour with dig querying BIND >> 9.10.4-P1 (not

Re: Issues resolving outlook.office365.com

2016-06-16 Thread Thomas Sturm
re be an issue processing cached client requests during cache expiry, and since it only happens on 9.10, potentially related to prefetching? > On 16.06.2016, at 10:00, Thomas Sturm wrote: > > Hi, > > We are experiencing strange intermittent issues when resolving > outlook.

Re: Issues resolving outlook.office365.com

2016-06-16 Thread Thomas Sturm
> If you're running bind 9.10, then bind 9.10 doing prefetch is a normal > use-case. > > You make a good point that a prefetch-enabled resolver might show different > behaviour to a non-prefetch one. But we've been on prefetch-enabled resolvers > for the whole length of our o365 rollout IIRC,

Issues resolving outlook.office365.com

2016-06-16 Thread Thomas Sturm
Hi, We are experiencing strange intermittent issues when resolving outlook.office365.com, but also with other domains like e.g. amazonaws.com or snort.org. But let’s choose office365.com as example for now. outlook.office365.com is a CNAME to lb.geo.office365.com, and office365.com delegates t

Re: Intended usage of dnssec-must-be-secure?

2016-02-03 Thread Thomas Sturm
On 03.02.2016 09:36, Mark Andrews wrote: No. Insecure != invalid. Insecure zones don't have a DNSSEC chain of trust to a configured trust anchor. OK, understood. However, in the case of an unsigned private domain that is forwarded, it would be insecure and not invalid, right? What's the rea

Intended usage of dnssec-must-be-secure?

2016-02-02 Thread Thomas Sturm
Dear all, According to the documentation of the option 'dnssec-must-be-secure', which reads like "Specify hierarchies which must be or may not be secure (signed and validated). If yes, then named will only accept answers if they are secure. If no, then normal DNSSEC validation app