Threats to the Domain Name System (DNS) and its billions of users take many forms. The distinction between abuse of and abuse via the DNS is central to understanding and effectively addressing DNS abuse. Targeting responses and allocating resources where they are most effective and enduring is aided by these distinctions. This series has explored the concepts of “Abuse of the DNS” and “Abuse via the DNS” and later examines the role of the International Corporation for Assigned Names and Numbers (ICANN) and the ICANN community in combating DNS abuse within its bylaws and limited technical remit. First, let’s delve deeper into the specific challenges and nuances of abuse via the DNS....