Configuring unbound to not forward certain requests but resolve those itself?

Gerben Wierda gerben.wierda at
Thu Oct 21 09:50:38 UTC 2021

I am using postfix and unbound. In postfix I use DNSBL from <>.

My unbound uses cloud9 ( as a standard forwarder, because blocks a large number of bad actors.

But that means DNSBL from spamhaus doesn’t work because spamhaus DNSBL doesn’t allow DNS queries from public DNS resolvers such as cloud9. For <>, I must go direct.

Is there a way to configure this just for <> or does this mean my resolver must do everything without forwarding?


Gerben Wierda (LinkedIn <>)
R&A Enterprise Architecture <> (main site)
Book: Chess and the Art of Enterprise Architecture <>
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