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Quickstart: Subdomain Finder — Passive Enumeration & Discovery

Discover subdomains of any domain fast using the open-source Subfinder engine — passive enumeration from dozens of public sources (certificate transparency, DNS datasets, search engines). For attack-surface mapping and authorized security research.

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Subdomain Finder — Passive Enumeration & Discovery (Subfinder)
Subdomain Finder — Passive Enumeration & Discovery (Subfinder)ntriqpro/subfinder-osint
Subdomain
Live
IP Addresses
Record Type
+3 fields
Text
Number
Boolean
List
Object

Input

Domain(required):apify.com
Confirm live hosts with DNS:true
Max hosts:500
Timeout (seconds):180

Output fields

Subdomain
Live
IP Addresses
Record Type
Source
Domain
Note

How it works

Sign up on Apify01

Create your Apify account to access the Subdomain Finder — Passive Enumeration & Discovery (Subfinder).

Start the run02

The Actor will start running based on the input automatically.

Receive the output03

Monitor the progress in real-time. You will be notified as soon as your dataset is complete and ready for review.

Integrate into your workflow04

The final output is delivered in JSON, CSV, or Excel format, ready to be plugged into your workflow.

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Integrate Actor directly into your workflow

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