Domain Index

A massive reverse index dataset known as Domain Index was identified in April 2024. This collection serves as a specialized lookup tool allowing actors to identify all email addresses associated with specific domains across various historical breaches. The repository contains approximately 96 million unique domains and over 500 million individual records. To maintain utility and manageability, the index excludes domains that appeared more than 200 times. This metadata aggregation facilitates targeted OSINT and phishing campaigns by mapping organizational email structures and user accounts globally.