Editing Information Gathering (section)

=== Websites ===

* [https://archive.org archive.org] (captures historical snapshots of websites; useful for discovering removed pages, old endpoints, and leaked data)
* [https://who.is who.is] (provides WHOIS lookup data including domain ownership, registrar, and DNS information)
* [https://pipl.com pipl.com] (search engine for people; useful for gathering names, emails, usernames, and social profiles)
* [https://toolbox.googleapps.com/apps/messageheader/ Google Admin Toolbox] (analyzes email headers to trace delivery path, delays, and authentication status)
* [https://mxtoolbox.com/EmailHeaders.aspx MXToolbox Email Header Analyzer] (visualizes full email route and identifies source IPs for investigation)
* [https://webcache.googleusercontent.com Google Cache] (view cached versions of websites indexed by Google)
* [https://cachedview.com CachedView] (aggregates cached versions from Google, Bing, and Wayback Machine)
* [https://urlscan.io urlscan.io] (analyzes and stores scans of websites, including headers, scripts, and requests)
* [https://crt.sh crt.sh] (shows historical SSL/TLS certificates issued for a domain; useful for subdomain discovery)
* [https://publicwww.com publicwww.com] (search source code of websites for keywords, scripts, or analytics IDs)