Subdomain Recon - Certificate Transparency Lookup
cloudgeeks.com.au · Developer Tools
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Description
Enumerate subdomains for a domain from crt.sh Certificate Transparency logs. Right-click a domain to start. Enumerate Subdomains From Certificate Transparency Type a domain or right-click any selected domain on a page. The extension queries crt.sh and returns the set of subdomains that have had TLS certificates issued. WHAT IT DOES - Queries crt.sh for certificates matching the given domain - Deduplicates subdomains across CT entries - Displays up to 500 subdomains, alphabetically sorted - Copies the whole list to the clipboard on one click - Prefills with the current tab's hostname - Adds a right-click context menu entry on any selected text that looks like a domain HOW IT WORKS 1. Install the extension 2. Type a domain in the popup, or right-click a domain on a page 3. See the list of subdomains PRIVACY Only the root domain is sent to crt.sh when you click Lookup. Page content is never read. No telemetry. SUPPORT Email: support@cchk.info Privacy policy: https://extensions.cchk.info/subdomain-recon/privacy Built by Cloud Geeks, a division of Ganda Tech Services.
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