Re: [exim] DNS Question - Advanced

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Συντάκτης: Marc Perkel
Ημερομηνία:  
Προς: Peter Bowyer
Υ/ο: exim users
Αντικείμενο: Re: [exim] DNS Question - Advanced


Peter Bowyer wrote:
>> So - here's my tricky question. I have 2 DNS servers. Server A runs
>> MyDNS - a MySQL driven server. It's the one that does the work behind
>> the scenes. It has no caching and should be considered to be slow.
>>
>> Server B is a regular DNS server set up for caching and running BIND.
>> It's the one that will be the public face for the blacklist providing
>> caching for Server A so as not to load down Server A.
>>
>
> Did you not consider using rbldnsd for your DNSBL? Update it from
> MySQL as often as once per minute from cron (it's designed to properly
> handle in-service updates of the zone data) or perhaps on a trigger if
> your MySQL is new enough.
>
> Way better then BIND for this job, way easier to write the zone files,
> much lower memory usage, faster, etc etc.
>
> http://www.corpit.ru/mjt/rbldnsd.html
>
> (Don't confuse with 'rbldns')
>
> Peter
>
>
>

I'm using MyDNS because it's MySQL driven and updates are instant. It
also lets me add expire fields so I can automate removal of old data and
allow entries to expire. I'm just using bind as a caching server.