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-gmail.com -yahoo.com -hotmail.com -aol.com filetype:txt 2021
In most major search engines, the hyphen (or minus sign) immediately before a word tells the search engine: "Exclude any results that contain this term."
Using advanced search operators is . However, how you use the data determines legality and ethics. -gmail.com -yahoo.com -hotmail.com -aol.com txt 2021
: This limits results to content associated with the year 2021, often used to find "fresh" or relevant data dumps or logs from that specific period. Use Cases for This Content
Member emails for Annual Conference 2021: linda@research.edu phillip@medcorp.com regina@doh.state.ny.us -gmail
No big email providers. No corporate archives. Just raw, anonymous text files — abandoned on forgotten servers, student directories, old forum attachments.
but not reliable for exhaustive or high-precision searches. For production use (e.g., data mining, OSINT), combine with regex and proper filetype constraints. Use Cases for This Content Member emails for
One highly specific query that highlights the power of these operators is: "-gmail.com -yahoo.com -hotmail.com -aol.com txt 2021"
The exact same query used by a security auditor to protect a company can be used by a malicious actor to plan a ransomware attack. How to Protect Your Own Data