Go to GitHub and search for "1 Carlos" . You find a profile with the username 1carlos . His public commits show an email carlos@robotech.io . The domain robotech.io is not excluded (it’s not Gmail, Yahoo, AOL, Hotmail). Great!
: Multiple "useful" papers discuss using Monte Carlo simulations for practical applications, such as predicting the life of lithium-ion batteries or medical imaging The House of Paper 1 Carlos -hotmail.com -aol.com -yahoo.com -gmail.com
Unlocking Advanced Search: How to Master Negative Keywords and Advanced Search Operators Go to GitHub and search for "1 Carlos"
| Provider | Typical domain | Why used | |----------|---------------|-----------| | ProtonMail | @protonmail.com , @pm.me | Privacy, encryption | | Tutanota | @tutanota.com | Secure, open source | | Mailfence | @mailfence.com | Privacy + productivity | | GMX | @gmx.com , @gmx.net | European alternative | | Zoho Mail | @zoho.com | Business focus | | Custom domain | @carlosdomain.com | Personal branding | The domain robotech
From a defensive standpoint, cybersecurity teams run these queries on their own executives to see what data is publicly exposed. If a search for [Executive Name] -[Common Webmails] yields results, it means the executive’s corporate email or private server information has been leaked or indexed publicly, presenting a phishing risk. 4. How to Scale the Query: Advanced Syntax
To understand what this article is addressing, we must first break down the structural logic of the advanced search string: