Re: ATTENTION: DNSWL to be disabled by default.

Andrew C Aitchison <[email protected]>
Newsgroups gmane.mail.spam.spamassassin.general
Message-ID <[email protected]>
On Thu, 26 Sep 2024, Matus UHLAR - fantomas wrote:

> On 26.09.24 18:11, Peter wrote:
>> I'm not very proficient at SA rules so I won't attempt to write one for 
>> this, but perhaps this would help:
>> 
>> $ dig amiblocked.dnswl.org txt @1.1.1.1 +short
>> "You are blocked from using list.dnswl.org through public nameservers"
>> "yes"
>> $ dig amiblocked.dnswl.org txt @127.0.0.1 +short
>> "no"
>> 
>> It looks like the above test is definitive and works regardless of what 
>> other codes might be returned.
>
> % dig amiblocked.dnswl.org txt @1.1.1.1
> amiblocked.dnswl.org.   300     IN      TXT     "no"
>
> however this needs one more DNS lookup, which is the opposite of what we 
> need.

If this were reliable, it could be used by system installers
to set the initial configuration to something appropriate for
the existing local DNS setup.

> BTW today I get different results for open resolvers - 1.1.1.1 and 9.9.9.9 
> return 127.0.6.2, 8.8.8.8 returns nothing (was 127.0.10.3 a while ago).

-- 
Andrew C. Aitchison                      Kendal, UK
                    [email protected]
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