This may help

https://www.icann.org/dns-resolvers-checking-current-trust-anchors

Jamie


October 11, 2018 11:59 AM, "Viktor Dukhovni" <postfix-us...@dukhovni.org> wrote:

> On Thu, Oct 11, 2018 at 10:27:57AM -0700, pg...@dev-mail.net wrote:
> 
>> Can you comment just a bit further on 'ready'?
> 
> By "ready" I mean that it has a working "rfc5011" key rollover
> implementation, and so has already long added KSK2017 to its list
> of root trust anchors. Or alternatively, that some attentive
> administrator has manually updated the trust-anchor file.
> 
>> Oct 11 10:09:00 ns01 named[4116]: 11-Oct-2018 10:09:00.435 resolver: debug 
>> 1: fetch: google.com/A
>> Oct 11 10:09:00 ns01 named[4116]: 11-Oct-2018 10:09:00.484 dnssec: info: 
>> view internal: validating
>> com/DS: bad cache hit (./DNSKEY)
>> Oct 11 10:09:00 ns01 named[4116]: 11-Oct-2018 10:09:00.484 lame-servers: 
>> info: broken trust chain
>> resolving 'google.com/A/IN': 2001:4860:4802:36::a#53
>> Oct 11 10:09:00 ns01 named[4116]: 11-Oct-2018 10:09:00.484 query-errors: 
>> debug 1: client
>> @0x7efc441cd640 ::1#63498 (google.com): view internal: query failed 
>> (SERVFAIL) for google.com/IN/A
>> at query.c:10692
>> ...
> 
> This does not look like a forwarder problem, your own trusted key
> list is not up to date. Either it is manually maintained, or
> automated updates are failing (perhaps permission problems to update
> the files, the keys need to be writable by the running nameserver).
> 
>> Which seems related to the key roll.
> 
> Definitely.
> 
>> Changing my local dns (named) config to
>> 
>> - dnssec-enable yes;
>> + dnssec-enable no;
>> dnssec-lookaside no;
>> - dnssec-validation yes;
>> + dnssec-validation no;
>> 
>> gets me back up & running, without DNSSEC of course.
>> 
>> As cached data expires, this should make its way into all working
>> caches over the next day or two
>> 
>> Is 'ready' simply .... 'wait awhile' ?
> 
> Waiting won't fix anything, you need to fix the trust anchor
> management on your system.
> 
> --
> Viktor.

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