Subdomain Finder (Certificate Transparency)

Created by

Murat Uzun

Actor

Subdomain Finder (Certificate Transparency)

Subdomain Finder enumerates every subdomain of a domain from Certificate Transparency logs (crt.sh, Cert Spotter) and resolves each one — one row per subdomain, no proxies needed.

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Subdomain Finder (Certificate Transparency)webdatatools/subdomain-finder

Subdomain

Domain

Resolves

IPv4 addresses

+5 fields

Input

Domains:apify.com+1

Resolve DNS:true

Include wildcard names:false

Max subdomains per domain:500

Max concurrency:5

Output fields

Subdomain

Domain

Resolves

IPv4 addresses

CNAME

Certificates

Issuers

First seen

Last seen

How it works

Sign up on Apify or log in

The Subdomain Finder (Certificate Transparency) Actor is ready to run with the inputs already set for "Subdomain Finder (Certificate Transparency)". Sign up or log in and you'll land in Apify Console with a copy of this exact task.

Start the "Subdomain Finder (Certificate Transparency)" task

The Subdomain Finder (Certificate Transparency) Actor will start running based on the input automatically. You can also change all the input fields, like domains, resolve dns, and more, to match your specific use case.

Receive the "Subdomain Finder (Certificate Transparency)" 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 subdomain, domain, resolves, 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 "Subdomain Finder (Certificate Transparency)" task via API.