Analyze emails with OSINT tools. Validate addresses, check breach exposure, and pivot into ownership, deliverability, and linked infrastructure to uncover intelligence.
Follow the highest-ranked tools first, then expand into supporting pivots for deeper investigation.
Use this page as a working sequence, not just a list. Start broad, preserve volatile evidence, and corroborate before reporting.
Record target values, search terms, timestamps, and the first source that produced each lead.
Move from identifiers to related accounts, infrastructure, images, archives, or records only when the link is explainable.
Save screenshots, archive URLs, and keep original source links before pages change or accounts disappear.
Avoid single-source conclusions. Confirm important claims with independent tools, dates, and source types.
Start with the highest-confidence tools for the first pass.
Breach intelligence service for searching exposed usernames, emails, IPs, and related data, with monitoring, API, and WHOIS features.
Have I Been Pwned allows you to check whether your email address has been exposed in a data breach.
Email Checker is a free email verification tool. It helps you validate any email address online for free. Check if mailbox really exists.
Move to these once you need validation, pivots, and broader collection.
First 50 searches are FREE. Quickly find anyone's contact information for your lead research, talent acquisition, PR, or HR with our email finder!
Email Hippo verifies email address deliverability and syntax, detects disposable addresses, and identifies catch-all mail server configurations.
Verify Email Address checks deliverability by testing SMTP connectivity and mailbox existence without sending a message.
E-Mail IP Leak Test is a free tool for the internet allowing end users to test their e-mail provider
Online Email Extrator, seperate your emails from the rest of your document easily with simple cut and paste. Then organize your emails here
Check if an email is valid with our free online email verifier. Send your emails with complete confidence. Never get bounces anymore.
Quickly find the email address format for large and small companies alike
MXToolbox provides DNS lookup, email header analysis, blacklist monitoring, MX record verification, and SMTP diagnostics for email investigation.
Use supporting tools when you need corroboration or specialized enrichment.
No additional keyword-based matches.
Before turning this workflow into a finding, make the chain of reasoning easy to audit.
Quote or summarize the source output and keep the original URL.
Record collection time, page timestamps, and archive timestamps separately.
State the investigative relevance and whether it is direct evidence or a lead.
List independent corroboration and note any uncertainty or gaps.