This limits the results to more recent data, specifically looking for information leaked or uploaded during that calendar year. What is the Goal?
If you are a site administrator, seeing a query like this should serve as a reminder of two key security practices: -gmail.com -yahoo.com -hotmail.com -aol.com txt 2021
| Criteria | Rating | Comments | |----------|--------|----------| | | ⭐⭐⭐⭐☆ | Clear intent, but relies on the search engine’s interpretation of - as exclusion. | | Precision | ⭐⭐⭐☆☆ | May exclude valid files if those domains appear incidentally (e.g., in logs, comments). | | Recall | ⭐⭐☆☆☆ | Misses files from other free providers (Outlook, ProtonMail, etc.) or those without email mentions. | | Syntax Compatibility | ⭐⭐⭐☆☆ | Works in Google (with - ), but not consistently in all tools (e.g., some require NOT , ! , or quotes). | This limits the results to more recent data,