Domain Tools
WHOIS / RDAP Lookup
Look up a domain's registration details - registrar, registration date, and expiry date.
Enter a domain to look up its registrar, registration date, and expiry date.
JustChecker tracks your domain's registration status and alerts you before it expires.
Frequently Asked Questions
Since 2018 (largely driven by GDPR), most registrars automatically redact personal registrant contact information from public WHOIS by default - this is standard, expected privacy protection, not a sign of anything suspicious about the domain.
RDAP is the modern, structured-data replacement for the older WHOIS protocol, offering standardized, machine-readable responses - many registries now prefer or require RDAP, though WHOIS remains widely supported as a fallback.
Registry and registrar systems can have their own propagation/sync delays for updating public WHOIS records - a very recent change may not be immediately reflected.
If the registrant has opted out of privacy redaction, an admin/technical contact email is sometimes listed - but with privacy redaction now the default for most registrars, a registrar-provided contact form is often the only available route.
Status codes like clientTransferProhibited or serverHold indicate registry/registrar-level locks or holds on the domain - clientTransferProhibited is common and simply means transfer-to-another-registrar is locked (usually intentionally, to prevent unauthorized transfers).
No - each top-level domain's registry operates its own WHOIS/RDAP server with its own data formatting and privacy policy, which is why lookups can look different for a .com versus a country-code TLD like .in or .co.uk.