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crt.sh

Free Certificate Transparency log search

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Description

crt.sh by Sectigo is a free Certificate Transparency log search returning every TLS certificate issued for a given domain or organisation. It is heavily used in attack-surface mapping and subdomain discovery.

Inputs

Domain Name

Outputs

SSL CertificateSubdomain

Tags

SSL Certificate

Tool Chain

Tools that can use this tool's outputs as inputs

crt.sh
outputs
SSL Certificate
inputs into
abuse.ch SSL BlacklistFreeSectigo Certificate SearchFreemiumHunt.ioFreemiumSilent PushPaidValidinFreemiumNetlas.ioFreemium
crt.sh
outputs
Subdomain
inputs into
ALterXFreeAquatoneFreeSecurityTrailsFreemiummegFreeBeVigil OSINT CLIFreemium

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