[CentOS] Apparent BIND problem doing RBL lookups for Postfix
larry.vaden at gmail.com
Thu Apr 15 01:51:12 UTC 2010
On Wed, Apr 14, 2010 at 7:36 PM, <listserv.traffic at sloop.net> wrote:
> First, someone's going to ask - perhaps Zen's blocking you. I don't
> think so. Here's why.
> -We're non-commercial, using the definition set my spamhaus,
> -mail connects TOTAL are well less than 100K a day. (Less than 10K in actuality)
> -and thus having more than 300K queries is pretty unlikely.
I'm not privy to spamhaus.org's rate limiting policies, but you show
two queries 2 seconds apart, or 86400/2 per day perhaps.
> -Also, let me remind you that a restart of the bind service seems to
> make the failures go away for a while, so if zen were blocking our queries, I'd think that wouldn't make a difference.
Read and understood.
> I certainly suspect a problem with BIND, but I can't find it, and have no idea where to go from here.
> I simply don't know where to look any more. If BIND were having a problem, say allocating memory, or something, shouldn't it be in a debug level 5 log?
Perhaps using 22.214.171.124 and 126.96.36.199 as resolvers or
directly asking spamhaus.org if they are rate limiting you would help.
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