On 05/30/2018 12:50 AM, Rupert Gallagher wrote:
We spent months herding those free-range animals... Catching them is tedious, because there is no standard that binds ISPs to just prefix all such domains with "dyn-".
which is why it's so efficient to use Spamhaus' PBL (included in Zen) https://www.spamhaus.org/pbl/ and spend the gained time chasing waterfalls, unicorns and world peace.