Subdomains Finder API - Realtime DNS Subdomain Scanner

High-performance subdomain scanner that retrieves all registered subdomains, IP addresses, and Cloudflare protection status for any given domain.

Pricing

$5.00 / 1,000 subdomains finder - per queries

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dev00

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4 days ago

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Subdomain Intelligence OSINT Scanner & Monitor

thescrapelab/subdomain-intelligence-osint

Subdomain finder and OSINT exposure monitor for authorized domains. Discover subdomains, validate DNS, classify live/auth-gated/DNS-only assets, detect technologies and providers, monitor changes, and generate reports.

Inus Grobler

Real Subdomain Finder

onescales/real-subdomain-finder

Discover every subdomain for any domain. Queries 40+ OSINT sources including cert transparency, DNS archives & web scanners. Results enriched with DNS validation, HTTP probing, and subdomain takeover detection. Simple Subdomain Lookup that works!

One Scales

5.0

Subdomain Discovery API

crawland/subdomain-discovery-api

Paginated subdomain enumeration for any registered domain — DNS records, registrar, WHOIS, vendor reputation, and category labels per subdomain, served from the Crawland threat-intelligence backend.

Crawland

Subdomain Finder

happitap/subdomain-finder

Subdomain Finder is a high-speed intelligence tool that uncovers subdomains for any target domain using Certificate Transparency (CT) logs. Unlike traditional brute-force tools, it requires no heavy traffic and provides results in seconds.

HappiTap

Organization Registered Domain & Subdomain Scraper

lofomachines/organization-registered-domain-subdomain-scraper

Discover all domains registered by any organization by company domain. Find related domains, subdomains, registration dates, expiration dates, and registrar information. Perfect for brand protection, competitive analysis, M&A due diligence, and security research.

Lofomachines

Subdomain Finder - Discover Every Subdomain Of A Domain

thirdwatch/subdomain-finder

Discover every subdomain for any apex domain. Merges 4 sources: certificate transparency (crt.sh), HackerTarget, RapidDNS, plus DNS bruteforcing of common names. Verifies each is live via DNS + HTTP probe.

Thirdwatch

Domain Intelligence Scanner: WHOIS, DNS, SSL & Subdomains

ntriqpro/domain-intelligence-scanner

Run a full due-diligence scan on any domain in one call: WHOIS registration, DNS records, SSL certificate, subdomain discovery (crt.sh), and technology fingerprint. Built for OSINT, security recon, M&A due diligence, and lead research.