Whois Domain Lookup
Look up any domain's WHOIS record instantly — see who owns it, when it expires, and which registrar manages it. Plus check availability across 800+ TLDs, compare registrar prices, and find aftermarket options.
More than a WHOIS lookup — check ownership, availability, pricing, and alternatives in one search.
Fast, accurate results
Get real-time WHOIS data without delays. Whether you're checking availability, expiry dates, or ownership, results appear instantly so you can act quickly.
Transparent data
See domain details clearly displayed without clutter. From registrar and expiry info to redacted privacy fields, our WHOIS lookup is built for clarity and trust.
Safe and private search
We don't track or sell your searches. Your queries stay private, letting you explore WHOIS data confidently without exposing your intent to competitors.
When to use a WHOIS lookup
From domain research to security investigations, WHOIS data helps you make informed decisions.
Check domain availability
Before registering a new domain, run a WHOIS lookup to confirm it is truly available and not reserved, parked, or pending deletion.
Research domain ownership
Planning a domain acquisition? Use WHOIS to find out who owns a domain, which registrar manages it, and when it was first registered.
Verify domain expiry dates
Track when domains expire to plan renewals, catch expiring domains, or monitor competitors' registration timelines.
Investigate suspicious domains
Check newly registered or suspicious domains for fraud, phishing, or trademark infringement by reviewing their registration details.
Audit your own domains
Verify what information is publicly visible for your own domains. Ensure privacy protection is enabled and registration details are accurate.
Monitor competitor domains
Keep tabs on competitors' domain portfolios, registration changes, and new domain acquisitions through regular WHOIS lookups.
WHOIS is the public directory behind every domain name on the internet.
A WHOIS lookup queries the public database maintained by domain registrars and registries to reveal who registered a domain name, when it was created, when it expires, and which name servers it uses. This domain lookup tool is used by millions of people every month to check domain ownership, verify domain registration details, and perform domain expiry checks. Every time a domain is registered, the registrar is required to publish certain details in the WHOIS database, making this information accessible to anyone.
The data returned by a WHOIS domain search typically includes the registrar name, registration and expiration dates, name server records, DNSSEC signing status, and — where not protected by a privacy service — the registrant’s name, organization, and contact details. Whether you want to find out who owns a domain or simply check when a domain expires, a WHOIS lookup tool provides all this information in seconds.
Since the introduction of the EU’s General Data Protection Regulation (GDPR) in 2018, many registrars redact personal information from WHOIS records by default. Fields like registrant name, email, and address are often replaced with “Redacted for privacy” or routed through a privacy proxy service. This means a WHOIS search may show limited contact data for domains registered through privacy-conscious registrars.
RDAP (Registration Data Access Protocol) is the modern successor to WHOIS, offering a standardized JSON-based response format, better internationalization support, and built-in access controls. While RDAP is gradually replacing legacy WHOIS, the majority of domain lookups still rely on the WHOIS protocol, and both systems return similar registration data.
How our WHOIS lookup works
Three simple steps to get complete domain registration data.
Enter a domain name
Type any domain — like example.com — into the search bar above. We support all TLDs including .com, .net, .org, and country-code extensions.
View registration details instantly
Within seconds, see the full WHOIS record: registrar, registration and expiration dates, name servers, DNSSEC status, and registrant contact information.
Take action
Register an available domain, contact the current owner for acquisition, or save the WHOIS data for your records. All results are copyable with one click.
WHOIS Lookup FAQs
- What is a WHOIS lookup?
- A WHOIS lookup is a query to the public database that stores registration information for domain names. It reveals who registered a domain, when it was created, when it expires, which registrar manages it, and the domain's name servers. WHOIS is one of the most widely used tools for domain research and investigation.
- What information does a WHOIS lookup show?
- A WHOIS domain search typically shows the domain name, registrar, registration date, expiration date, last updated date, name servers, DNSSEC status, and WHOIS server. When not protected by privacy services, it may also show the registrant's name, organization, email address, and location.
- Is this WHOIS lookup tool free?
- Yes, our WHOIS lookup tool is completely free to use with no limits. You don't need to create an account or provide any personal information. Search as many domains as you need — there are no daily caps or usage restrictions.
- How do I find out who owns a domain name?
- Enter the domain name into the search bar above and our WHOIS checker will retrieve the public registration record. If the domain owner hasn't enabled privacy protection, you'll see their name, organization, and contact details in the registrant contact section of the results.
- Why is WHOIS data sometimes redacted or hidden?
- Since the EU's General Data Protection Regulation (GDPR) took effect in 2018, most registrars redact personal information from WHOIS records by default. Fields like registrant name, email, and address are replaced with 'Redacted for privacy' or routed through a proxy service to protect domain owners' personal data.
- What is the difference between WHOIS and RDAP?
- RDAP (Registration Data Access Protocol) is the modern replacement for WHOIS. While WHOIS returns plain text, RDAP uses a standardized JSON format, supports better internationalization, and includes built-in access controls. Both protocols return similar domain registration data, but RDAP is gradually being adopted as the new standard.
- Can I look up WHOIS for any domain extension?
- Yes, our WHOIS lookup supports all major domain extensions including .com, .net, .org, .io, .co, and hundreds of other TLDs as well as country-code domains like .co.uk, .de, and .ca. The amount of data returned may vary by registry.
- How often is WHOIS data updated?
- WHOIS records are updated by registrars whenever a domain's registration details change — such as transfers, renewals, or contact updates. Most registrars update their WHOIS database within 24 to 48 hours of any change, though some updates can appear within minutes.
- What are name servers in WHOIS results?
- Name servers (DNS servers) listed in WHOIS results are the servers responsible for translating the domain name into an IP address. They indicate where the domain's DNS is hosted and which provider manages its DNS records. Common name server providers include Cloudflare, AWS Route 53, and Google Cloud DNS.
- How can I protect my own WHOIS information?
- Most domain registrars offer WHOIS privacy protection (also called domain privacy or ID protection) that replaces your personal contact information with the registrar's proxy details. This service is often free or available for a small annual fee and is recommended for anyone who wants to keep their registration details private.
- How do I check when a domain expires?
- Enter the domain into our WHOIS lookup tool and look for the expiration date field in the results. This domain expiry check shows the exact date the registration will lapse unless renewed. Monitoring domain expiration dates is useful for catching expiring domains, planning renewals, or identifying when a domain you want might become available.
- Can I do a WHOIS IP lookup?
- Our tool is designed for domain name WHOIS lookups. For IP address WHOIS queries, you can use dedicated IP lookup tools like ARIN WHOIS (for North American IPs) or RIPE NCC (for European IPs). A WHOIS IP lookup reveals the organization that owns an IP address block, their contact information, and the network range allocation.