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.