resolution fails when the date of the server is more than 2 days late
    Ondřej Caletka 
    ondrej at caletka.cz
       
    Mon Mar  2 07:47:54 UTC 2020
    
    
  
> Is there a way to prevent this behaviour from unbound, and get at least
> ntp.org resolved when there is a serious clock drift ?
> 
Hello Dysmas,
according to unbound.conf(5):
>        val-override-date: <rrsig-style date spec>
>               Default  is  ""  or  "0",  which disables this debugging feature. If enabled by giving a
>               RRSIG style date, that date is used for verifying RRSIG inception and expiration  dates,
>               instead  of  the current date. Do not set this unless you are debugging signature incep‐
>               tion and expiration. The value -1 ignores the date altogether, useful for  some  special
>               applications.
So I guess the way out is to boot the device with `val-override-date:
-1` and after the clock is synchronized (which should be signalled by
NTP). The other option is to declare NTP server domain as insecure.
--
Ondřej
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