Maintained by: NLnet Labs

[Unbound-users] Does/can unbound use RTT values to prioritise DNS?servers

Alexander Clouter
Mon Nov 29 00:37:57 CET 2010


Carsten Strotmann <unbound at strotmann.de> wrote:
>
>> In short, the real solution is not to empty your cache:)  Alternatively
>> there are some DNS resolvers out there that can store the cache to disk
>> on exit and reload it on starting (deadwood[2] is one that comes to
>> mind).
>>
>> [1]http://data.iana.org/TLD/tlds-alpha-by-domain.txt
>> [2]http://www.maradns.org/download.html
>
> One of these nice DNS resolvers that can store and load the cache is 
> .... drumroll... Unbound!
> 
> Usage:    unbound-control [options] command
>     Remote control utility for unbound server.
> [...]
>   dump_cache            print cache to stdout
>   load_cache            load cache from stdin
> [...]
> 
> However that is not done automatically, you need to tweak your startscript.
> 
...well I'll be darned.  Guess $ORK tomorrow involves some shell 
scripting :)

Cheers

-- 
Alexander Clouter
.sigmonster says: Don't compare floating point numbers solely for equality.