On Tue, Jan 4, 2011 at 9:24 PM, David F. Skoll <d...@roaringpenguin.com> wrote:
> (Spamhaus could greatly lower the load on its servers by using much > bigger TTLs, especially for lists that don't change often like the PBL. > But as another posted mentioned, sometimes DNSBL owners want to see > the queries, particularly if they want to charge high-volume users. :>) Compared to a typical DNSBL, we have extremely long TTLs for dnswl.org RRs. This does improve caching (and makes it harder to charge the heavy users, yes), but it will also make it harder to correct mistakes. -- Matthias
