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Research any domain through one API

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Get useful context from a public URL
Find and compare domain candidates
Look up DNS records for a domain
Review certifications and security signals

DomScan

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-85%$29
$199
  • Lifetime access
  • Refundable up to 60 days
  • Plus members are covered by our We Got Your Back guarantee
AppSumo Launchpad

Chosen by AppSumo for their potential and innovation

Vetting a domain usually means bouncing between WHOIS lookups, DNS checkers, and security scanners. DomScan brings those signals together in one REST API and MCP server for your apps and AI agents.

TL;DR

  • checkmarkCollect public web and domain evidence through one REST API and MCP server
  • checkmarkCheck security, identity, and change signals while keeping uncertain results visible

At-a-glance

domscan.net

Alternative to

DataForSEO

Integrations

API, Claude, ChatGPT, MCP, Cursor

Best for

Developers, IT/security agencies, Data analysts

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DomScan logo

DomScan

Choose Plan

Scan domains for availability, DNS records, certificates, and site tech via REST API or MCP server

Turn any public URL into usable context

  • Collect page content as HTML, Markdown, or text with synchronous or asynchronous options
  • Identify site technology and categorize pages by industry, content type, and topic
  • Combine page facts with normalized metadata, structured data, and website-declared identity signals
  • Follow redirect chains to see exactly where a public URL leads
Turn any public URL into usable context

Vet domain names before you commit

  • Check domain availability before investing time in a name
  • Review registry records with available WHOIS or RDAP details
  • Look up DNS records like A, AAAA, MX, NS, TXT, and CNAME to review a domain’s public configuration
  • Compare domain signals, including lifecycle details and valuation estimates
Vet domain names before you commit

Review certificates, reputation, and email security

  • Inspect certificate details and public site reputation signals
  • Check for reported vulnerabilities and lookalike domains
  • Verify email authentication and related domain security signals
  • See uncertain results clearly when evidence is blocked, incomplete, or unsupported
Review certificates, reputation, and email security

Plug domain intelligence into your AI tools

  • Connect DomScan’s MCP server to compatible assistants like Claude, ChatGPT, and Cursor
  • Run supported DomScan tools from your AI assistant without writing custom integration code
  • Automate monitoring workflows and compare DNS answers to catch configuration changes
  • Call the same data through documented REST APIs when you’re building your own app
Plug domain intelligence into your AI tools

Choose the plan that’s right for you

Feel secure in your purchase with AppSumo's 60 day money-back guarantee.

Tier 1
$29$199
Lifetime access
Tier 2
$89$449
Lifetime access
Tier 3
$239$839
Lifetime access
Tier 4
$489$1,259
Lifetime access
Credits per month
10,000
30,000
100,000
250,000
All public endpoints (domain, DNS, WHOIS, brand, website, email, IP, and security intelligence, etc)
MCP integration
Web Data
DNS & Infrastructure
Security & Trust
Identity & Verification
Monitoring & Automation
Refundable up to 60 days
Plus members are covered by our
We Got Your Back guarantee
Deal terms & conditions
DomScan
See DomScan
Founded June 10, 2025
🇪🇸Spain
1-10
Startup
Bootstrapped
domscan.net

From a domain-finding MCP to a broader platform

Hi Sumo-lings!

I’m Esteve, founder of DomScan. This started while I was traveling in Georgia. I was experimenting with MCP and wanted a practical tool for my own work: checking domain availability while brainstorming names. Tired of LLMs suggesting domains that were already taken, I built a small MCP for availability checks.

As I kept using it, I added related checks. DomScan now brings together domain availability and registration details, DNS and subdomains, public-page scraping, technology and category checks, certificate and reputation signals, email authentication, and monitoring. Use the REST API or connect supported MCP tools to a compatible AI client.

The AppSumo deal is a one-time lifetime license with a monthly credit allowance and no automatic renewal.

I built DomScan to make internet research useful in product workflows. Each operation has a published credit cost, and the response shows when a check is inconclusive. A blocked lookup stays inconclusive.

I’m happy to bring DomScan to AppSumo and hear what you build with it. If you’re checking names, researching a site, or adding web data to an app, I hope it helps. Questions or feedback? Email me at support@domscan.net or open a ticket at https://domscan.net/support. You can also find me on LinkedIn at https://www.linkedin.com/in/estevecastells/.

Thanks for giving DomScan a try.

Cheers,
Esteve

Esteve Castells
Esteve CastellsSee Esteve Castells on LinkedIn

Questions & reviews