nsec3breaker breaks the NSEC3 hashing used by DNSSEC servers with GPU computation. It consists of a GPU-based NSEC3 hash crawler and hash breaker.

nsec3breaker was used in 2015 and 2017 in an Internet survey to provide the first complete quantification of DNSSEC-signed second-level domains. Beware that the tools have not been tailored towards a user-friendly usage.

Papers and Talks