Tools/Web Tools/WHOIS Lookup

WHOIS Lookup – Domain Registrar, Dates & Raw WHOIS Data

Look up domain WHOIS data online free - no login. Enter any domain name to query a free public WHOIS API and view its raw response - registrar, dates, and name servers, when included.

If this tool isn’t working as expected, please take a screenshot of the error and report the problem here so we can investigate and improve it.

About this tool

WHOIS data can be useful for due diligence before buying a domain, checking a domain's registration date, or monitoring expiry - when the raw text the API returns actually includes that information. Since most gTLD domains have had registrant personal data redacted by default since ICANN's 2018 privacy policy change, don't expect to find an individual owner's name or contact details in most lookups.

Enter a domain name and this tool queries a free public WHOIS API (api.whois.vu) directly from your browser, then displays whatever raw WHOIS text that service returns. It doesn't parse out individual fields like registrar or expiry date - you read them from the raw text yourself, when the API includes them.

How to Use WHOIS Lookup

Enter Domain

Type the domain name you want to look up (e.g. example.com).

Fetch WHOIS

Click lookup to query the free WHOIS API directly from your browser.

Read the Raw Text

Look through the raw response yourself for registrar, dates, status, and name servers - nothing is parsed out separately.

Use the Fallback if It Fails

If the free API errors or is rate-limited, follow the links to whois.domaintools.com or icann.org/lookup.

Common Workflows

Enter a Domain Name

Type a domain (with or without https://) - the tool strips the protocol and any path automatically.

Click WHOIS

The request goes directly from your browser to api.whois.vu.

Read the Raw Text

If the API returns a text response, it's shown as-is in a monospace block - look through it yourself for registrar, dates, or nameserver lines.

Use the Fallback if It Fails

If the free API errors or is rate-limited, the tool tells you and links to whois.domaintools.com or icann.org/lookup instead.

Best For

  • Queries a free third-party WHOIS API (api.whois.vu) directly from your browser and displays its raw text response - there's no structured field extraction (no separate Registrar, Dates, or Nameservers display).
  • Coverage, formatting, and rate limits depend entirely on that third-party API - results can be incomplete, missing, or fail with a rate-limit-style error, especially for less common TLDs.
  • No registrant, admin, or technical contact fields are parsed out - if the API's raw response includes them, they'll appear as plain text inside the result; redacted/privacy-protected domains will show whatever placeholder text the registrar's WHOIS record itself contains.

Examples

Only a domain name and raw text are ever shown

Input

Any successful lookup

Result

A "Domain" card with the domain you searched, and (if returned) a "WHOIS Data" block containing the API's raw text response

There's no separate Registrar, Registration Date, Expiry Date, or Nameservers field anywhere in the UI - everything beyond the domain name itself is inside that one raw text block.

A failed or rate-limited lookup shows a specific fallback message

Input

api.whois.vu errors or times out

Result

"WHOIS lookup failed. The free API may be rate-limited. Try visiting whois.domaintools.com for {domain}."

The tool doesn't retry automatically - it tells you the likely cause and links to an alternative lookup service.

No dedicated "domain available" state exists

Input

Looking up an unregistered domain

Result

Likely the same generic error message as any other failed lookup, not a distinct "this domain is available" confirmation

The tool has no special handling to detect and confirm domain availability - an empty or error response from the API looks the same whether the domain is unregistered or the API simply failed.

Use Cases

Scanning a domain's raw WHOIS text for its registration date

Read through the returned text block yourself - the tool doesn't isolate this field for you.

Getting a quick registrar and nameserver check

Works when the free API's raw text happens to include them - not guaranteed for every domain or TLD.

Falling back to a dedicated WHOIS service when the free API fails

Use the tool's own suggested links (whois.domaintools.com, icann.org/lookup) for a more reliable result.

Common Mistakes

Problem

Expecting structured Registrar/Dates/Nameservers fields

Solution

None exist - everything beyond the domain name is inside one raw text block, if the API returns one at all.

Problem

Assuming this tool uses RDAP

Solution

The implementation calls a third-party WHOIS API (api.whois.vu) - there's no code-level evidence it uses RDAP specifically, and the endpoint's own naming suggests classic WHOIS, not RDAP.

Problem

Expecting owner details for a typical .com

Solution

Since 2018, most gTLD registrars redact registrant personal data by default - expect a registrar and privacy-service contact, not an individual's name.

Problem

Expecting a clear "domain available" confirmation

Solution

There's no dedicated availability state - a failed or empty lookup looks the same whether the domain is unregistered or the free API simply failed.

Problem

Expecting a copy button

Solution

There isn't one - select and copy the raw text manually if you need to save it.

Tips & Best Practices

Read the raw text block carefully

Registrar, dates, and nameservers (when present) are mixed into one block of plain text, not separated into labeled fields.

Try the suggested fallback if the lookup fails

The tool's own error message links to whois.domaintools.com and icann.org/lookup for a second opinion.

Don't expect personal owner details

Post-2018 redaction is the default for most gTLDs - a registrar and privacy-service contact is the typical result, not a name and address.

Don't rely on this tool alone for domain availability checks

Use your registrar's own availability search - this tool has no dedicated "available" confirmation.

Limitations

No structured field parsing

Registrar, registration date, expiry date, nameservers, status, and DNSSEC are never separated out - only a single raw text block (or nothing) is shown.

No verified RDAP usage

The tool calls a third-party WHOIS API (api.whois.vu) whose internal implementation isn't disclosed - there's no code-level basis for describing this as RDAP specifically.

No registrant/admin/technical contact extraction

Whatever contact information exists is embedded in the raw text, unparsed - it isn't broken out into separate fields.

No redaction or privacy-service detection

The tool doesn't flag whether a result is redacted - you have to recognize a privacy-service placeholder yourself from the raw text.

No dedicated domain-availability state

An unregistered domain and a failed API call can look identical - both show the same generic error.

No unsupported-TLD-specific handling

Coverage depends entirely on the third-party API - there's no CoditTools-side list of supported or unsupported TLDs.

No copy button, caching, rate limiting, or retry logic

Every lookup is a fresh, unretried request to api.whois.vu, with no copy feature for the result.

Comparisons

This Tool vs. a Structured RDAP-Based WHOIS Lookup

Both look up domain records, but only one parses the response into labeled fields.

This Tool (Raw Text via a Free API)A Structured RDAP-Based Lookup
Registrar/dates/nameservers as separate fieldsNo - all in one raw text blockUsually yes
Verified protocolThird-party API of undisclosed internalsRDAP (RFC 7480), typically disclosed
Availability detectionNot distinguished from a failed lookupOften a clear "available" state

FAQs

The most common question is why a lookup shows a privacy service instead of an owner's name, or shows very little at all. Since 2018, most gTLD registrars redact registrant personal data by default - and this tool has no way to extract or highlight specific fields even when they are present, since it displays the third-party API's raw text response as-is.

Does this tool show registrar, dates, and nameservers as separate fields?

No. It queries a free third-party WHOIS API (api.whois.vu) directly from your browser and displays whatever raw text response comes back, unparsed. If that text includes a registrar line, a date, or nameservers, you'll see them - but they're mixed into one plain-text block, not broken out into labeled fields.

Does this tool use RDAP?

There's no code-level evidence that it does. The tool calls a third-party API (api.whois.vu) whose internal implementation isn't disclosed to CoditTools - the endpoint's own naming suggests classic WHOIS rather than RDAP. See the general education below for what RDAP is and how it differs from WHOIS, but don't assume this specific tool uses it.

How do I find out who owns a website or domain?

A WHOIS lookup returns the registrant contact information associated with a domain registration - when it isn't redacted. Since ICANN's May 2018 privacy policy change, redaction of registrant personal data is the default for most gTLD domains (.com, .net, .org, etc.), not an opt-in extra. In practice, most lookups today show the registrar's information and a privacy-service contact, not the individual owner's name or address.

What information does a WHOIS record typically include?

A standard WHOIS record includes: registrar name (e.g., GoDaddy, Namecheap), registration date, expiry date, nameservers, and registrant contact information (name, organization, email, phone - unless redacted). This is general WHOIS education - whether any given field actually appears in this tool's output depends entirely on what the free third-party API returns in its raw text for that domain.

Why does WHOIS show a privacy service instead of the owner's details?

Since ICANN's May 2018 Temporary Specification (its GDPR response), redaction of registrant personal data is the default for most gTLD domains - registrars replace the registrant's personal information with a privacy-service contact automatically, not as an optional add-on you have to request. ICANN rules still require registrars to provide a way to contact the domain owner even when redacted, typically via an email forwarding form.

Can I see when a domain expires using WHOIS?

Often, yes - expiry dates are traditionally public information that registrars are required to display, even when registrant privacy is enabled. But this tool doesn't guarantee it: it depends on whether the free third-party API's raw text response for that domain happens to include an expiry line, since nothing is parsed or extracted.

What is the difference between WHOIS and RDAP?

WHOIS is the original domain lookup protocol (RFC 3912) used since 1982 - it returns plain text responses and has inconsistent formatting between registrars. RDAP (Registration Data Access Protocol, RFC 7480) is the modern replacement - it returns structured JSON, supports HTTPS, and provides more consistent data across registrars. This is general protocol education; see the FAQ above for why this specific tool shouldn't be assumed to use RDAP.

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