Subdomains of a domain (crt.sh)
Tom Awake
Every active subdomain found in public Certificate Transparency logs, with certificate expiry, issuer and inferred environment.
Input
Output fields
Sign up on Apify or log in
The crt.sh Subdomain Finder - Certificate Search Actor is ready to run with the inputs already set for "Subdomains of a domain (crt.sh)". Sign up or log in and you'll land in Apify Console with a copy of this exact task.
Start the "Subdomains of a domain (crt.sh)" task
The crt.sh Subdomain Finder - Certificate Search Actor will start running based on the input automatically. You can also change all the input fields, like domains, output shape, and more, to match your specific use case.
Receive the "Subdomains of a domain (crt.sh)" output
Monitor the progress in real time. You will be notified as soon as your dataset is complete and ready for review. Each result includes data such as hostname, environment, status, and more.
Integrate into your workflow
The final output is delivered in JSON, CSV, or Excel format, ready to be plugged into your workflow. You can also run the "Subdomains of a domain (crt.sh)" task via API.
