> On 30 Oct 2019, at 12:01, Heiko Schlittermann via mailop <mailop@mailop.org>
> wrote:
>
> Still it is not clear, if Spamhaus doesn't answer, or of there is some
> device in between.
Worth a separate post as we see the potential for confusion here.
On 30th September, in a Spamhaus posted blog:
"A new range containing return codes (127.255.255.0/24) has been added to
return possible errors related to the DNSBL queries themselves, which should
NOT be interpreted as any sort of reputation related to the data being queried.
While it will be quite uncommon for most Spamhaus users to encounter these
codes, it is vitally important that software developers implement all return
codes correctly, and NOT treat these error codes as any sort of reputation or
"listed" values. The first two new error codes, and links to pages further
explaining their meaning, are:
Return Code Zone Description
127.255.255.254 Any Query via public/open resolver
127.255.255.255 Any Excessive number of queries"
Full article at
<https://www.spamhaus.org/news/article/788/spamhaus-dnsbl-return-codes-technical-update
<https://www.spamhaus.org/news/article/788/spamhaus-dnsbl-return-codes-technical-update>>.
However, it is unlikely that these return codes will be used in anger for quite
some time as the internet moves very sloooowwwwly at times. Especially when
updating software and baked in practices are concerned.
Simon
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