IP2WHOIS MCP. Find ownership and status data for any domain.
IP2WHOIS delivers instant domain intelligence by querying comprehensive WHOIS data at scale. Look up full registration records, determine ownership contacts, calculate domain age, and monitor expiration dates for any TLD. It also helps you identify all domains attached to a specific IP address or confirm if a domain is available for immediate registration.
Give Claude and any AI agent real-world access
Send up to 10 different domain names in a single query and receive key registration details for every one.
Determine right away if a specific domain name is free to register.
Retrieve complete WHOIS information, including registration dates and the registrar for any domain.
Check when a domain expires and how many days are left until renewal is needed.
Find all other domains that share the same IP address, which is useful for auditing shared hosts.
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What AI agents can do with IP2WHOIS: 10 Tools for Domain Data Retrieval
These tools let your agent perform specific actions like checking domain age or finding nameservers, giving you granular control over domain data retrieval.
Make your AI actually useful.
Add this MCP to Claude, Cursor, or Windsurf and your AI stops guessing. It gets real tools to look things up, take action, and handle the stuff you keep doing by hand.
Start using IP2WHOIS MCPCheck Domain Availability
Determines if a specified domain name is currently available for registration.
Bulk Whois Lookup
Returns key WHOIS details when you need to check the ownership records of multiple...
Get Domain Contacts
Retrieves registrant and admin contact information for a domain, if privacy...
Check Domain Age
Calculates the exact age of any given domain name in days or years.
Check Domain Expiry
Checks the expiration date of a domain, which is useful for renewal planning and...
Lookup Hosted Domains
Finds all domains that are currently hosted on a specific IP address range or block.
Get Nameservers
Retrieves the authoritative nameserver information for any given domain name.
Get Registrar Info
Gathers registrar details and status codes associated with a specific domain...
Check Ip2whois Status
Verifies that the IP2WHOIS API connection is properly authenticated and working.
Lookup Domain Whois
Performs a complete, detailed WHOIS lookup on any single domain name.
Security and governance baked right in.
Pick your AI client below to get set up. Just create a Vinkius account, subscribe, and you're instantly up and running. We handle the entire backend infrastructure, delivering out-of-the-box support for HTTPS Streamable, SSE, and OAuth2—zero messy routing required.
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Build Your Own
Turn any API into an MCP. Import a spec, define Agent Skills, or deploy with MCPFusion.
- Import from OpenAPI, Swagger, or YAML specs
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- Deploy to edge with MCPFusion framework
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- Publish to catalog or keep private
Make Your AI Do More
Start with IP2WHOIS, then connect any of our 5,200+ other servers whenever your AI needs more. One click, no limits.
- Use this MCP plus 5,200+ others, all in one place
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- Works with Claude, ChatGPT, Cursor, and more
- New servers added to the catalog weekly
Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by IP2WHOIS. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.
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The Domain Due Diligence Headache
Today, vetting a domain is a tedious process. You copy a URL into Google, then open a separate WHOIS site and paste it in again. If you need to check ten names, that's ten tabs, ten lookups, and three hours of manual cross-referencing across different sites just to get basic ownership data.
With this MCP, you simply prompt your agent. You tell it which domains to investigate, and it runs the necessary checks—from determining if a domain is available using `check_domain_availability` to finding all related assets via `lookup_hosted_domains`. You get structured data in seconds.
IP2WHOIS: Comprehensive Domain Data Retrieval
You no longer have to manually check the registrar and nameservers for every single domain name. The agent gathers this technical metadata, combining `get_registrar_info` with `get_nameservers` automatically.
What changes is that you move from being a data collector to an analyst. You spend your time interpreting what the WHOIS data means, not gathering it.
What IP2WHOIS MCP does for your AI
Running domain intelligence checks used to mean opening dozens of browser tabs, copy-pasting URLs into multiple lookup sites, and cross-referencing spreadsheets. Now your agent handles it all in one go. This MCP connects deep domain data directly from IP2WHOIS. You can ask your AI client to run a full WHOIS lookup on several domains simultaneously or check the exact expiration date for renewal monitoring.
Need to know if a name is free? Just ask it to check availability, and you get an instant answer. The system also pulls key registrar details and nameserver configurations so you always know where a domain points. Because Vinkius hosts this MCP, your agent gets immediate access to all these powerful tools without needing separate credentials or complex integrations.
019dd10d-4bfa-729f-bbec-c957e2f3740a How to set up IP2WHOIS MCP
The bottom line is that you get complex internet infrastructure data delivered through simple conversation prompts.
You subscribe to this MCP and enter your unique API key.
Your AI client sends a prompt—for example, asking for the WHOIS data on five specific domains.
The MCP executes the necessary lookups and returns structured domain intelligence directly into your chat or workflow.
Who uses IP2WHOIS MCP
This MCP is essential for security researchers, domain investors, and IT administrators who need to audit network assets or investigate ownership structures quickly. Stop juggling tabs; let your agent do the heavy lifting.
Uses this to investigate domain ownership history, map out potential infrastructure targets, and check for suspicious name server configurations.
Runs checks on multiple domains simultaneously and monitors expiration dates to identify names that are about to drop or become available.
Audits shared hosting environments by running lookups against a specific IP address to see every domain attached to it.
Benefits of connecting IP2WHOIS MCP
Saves time by running bulk lookups. Instead of checking domains one by one, use bulk_whois_lookup to process up to 10 names instantly, getting key registration details for all at once.
Better risk management through expiry monitoring. You can set up workflows that regularly check domain expiration using check_domain_expiry, ensuring no critical asset is forgotten.
Deep infrastructure analysis when combined with other tools. Run lookup_hosted_domains to map out every single domain connected to a suspicious or shared IP address.
Immediate market intelligence for investors. Use check_domain_availability before proposing a name, and use get_domain_contacts to understand who owns the current records.
Comprehensive record keeping. Combine lookup_domain_whois with get_registrar_info to build a complete audit trail of ownership, status, and registration dates for any target.
IP2WHOIS MCP use cases
A security researcher needs to map an entire subnet.
The agent runs the lookup_hosted_domains tool against a given IP address block. It receives a list of every domain name hosted there, allowing the researcher to instantly scope the size and scope of the attack surface.
A domain investor is vetting a cluster of potential names.
Instead of manual checks, the agent executes bulk_whois_lookup on 10 target domains. It filters the results to find those with unusual ownership patterns or long-term availability.
An IT admin needs to audit a shared hosting account.
The administrator uses get_nameservers to confirm which nameservers are authoritative for all client domains, verifying that the hosting environment is configured correctly and securely.
A business owner wants to know if their target domain name is available.
The agent first runs check_domain_availability on a new name. If it's free, they then run get_domain_contacts to see what kind of registration data the registrar requires for purchase.
IP2WHOIS MCP tradeoffs
What to watch out for, and the recommended way to handle each one.
Treating domain lookup like general web search
Asking your agent, 'Tell me everything about this website.' You get a generic summary that misses key technical data points like the registrar or ownership dates.
Be specific. If you want WHOIS details, use lookup_domain_whois. If you only care about who owns it, run get_domain_contacts.
Forgetting to check domain age
Assuming a newly registered site is safe just because the owner contact info looks clean. You don't know how old the underlying name is.
Always run check_domain_age first. Knowing if a domain was active for 10 years or 1 week changes your entire interpretation of its ownership.
Ignoring potential IP sharing
Only checking the WHOIS record for one specific domain, missing out on other unrelated domains hosted on the same physical server.
Run lookup_hosted_domains against the IP address to get a full picture of everything running from that location.
When to use IP2WHOIS MCP
Use this MCP when your primary goal is investigating internet infrastructure, ownership data, or domain status. You need concrete facts: Who registered it? When does it expire? Is it available?
Don't use this if you are trying to find general information about a website (like 'What services do they offer?') — that requires a search engine tool. Don't use it for content generation or writing code.
If your job is pure discovery and auditing, run bulk_whois_lookup or lookup_hosted_domains. If you are doing targeted research on one name, start with lookup_domain_whois to get the full picture.
Frequently asked questions about IP2WHOIS MCP
How do I check if multiple domains are available using IP2WHOIS? +
You use the check_domain_availability tool. You just need to list the domain names you want tested, and the MCP will confirm which ones are free for registration.
Can I get ownership information for a large batch of domains with IP2WHOIS? +
Yes. Use bulk_whois_lookup to query multiple domains in one operation, saving you from having to run the full lookup individually.
What is the difference between `lookup_domain_whois` and `get_registrar_info`? +
lookup_domain_whois provides the entire record (contacts, dates, nameservers). get_registrar_info focuses specifically on the registrar details and status of that domain.
How does IP2WHOIS help me analyze shared hosting? +
You run the lookup_hosted_domains tool against an IP address. This reveals every single other domain name using that same infrastructure, which is key for auditing purposes.
Does IP2WHOIS only work with public TLDs? +
No. The MCP handles full WHOIS lookups and general domain intelligence regardless of the top-level domain type you are investigating.