WHOIS Lookup
Check domain ownership, registration details, expiration dates, and availability. Get instant results with our free WHOIS lookup tool.
What is a WHOIS Lookup?
WHOIS is a publicly accessible database that stores registration information for every domain name on the internet. When you perform a WHOIS lookup, you query this database to retrieve details about a specific domain.
Originally created in the 1980s, the WHOIS protocol is maintained by ICANN (Internet Corporation for Assigned Names and Numbers) and regional internet registries. It serves as the internet's public directory for domain ownership and is essential for transparency and accountability online.
Note: Many domain owners use WHOIS privacy services to protect their personal contact information from public view. In these cases, proxy information is displayed instead.
What You'll Find in a WHOIS Lookup
Every WHOIS query returns comprehensive domain registration data.
Domain Owner
Registrant name, organization, and contact information (or proxy data if WHOIS privacy is enabled).
Registration Date
When the domain was first registered. Older domains often carry more authority and trust with search engines.
Expiration Date
When the domain registration expires. If it's not renewed, it may become available for others to register.
Name Servers
The DNS servers responsible for resolving the domain. Tells you which hosting or DNS provider the domain uses.
Registrar Info
The company where the domain is registered, along with their IANA ID, abuse contact, and referral URL.
Domain Status
Current EPP status codes like clientTransferProhibited, serverHold, or ok, indicating the domain's state and restrictions.
How to Read WHOIS Results
After you perform a WHOIS lookup, you will see a structured record containing several key fields. Understanding each field helps you evaluate a domain's history, ownership, and technical configuration. Here is what to look for when reviewing your domain owner lookup results.
Registrar
The company where the domain was registered, for example, GoDaddy, Namecheap, or Serverlys. The registrar is responsible for managing the domain's registration with the registry and handling renewals, transfers, and DNS changes on behalf of the owner.
Creation Date
The date the domain was first registered. Older domains often carry more authority in search engines. If you are researching who owns this domain, the creation date can reveal how long the current or previous owner has held it.
Expiry Date
The date the domain registration expires. If the owner does not renew before this date, the domain may become available for others to register. Set a reminder well in advance, most registrars offer auto-renewal to prevent accidental expiration.
Nameservers
Nameservers indicate which DNS provider handles the domain's traffic routing. They translate the domain name into the IP address of the server hosting the website. Changes to nameservers typically take 24–48 hours to propagate globally.
Registrant Contact
The owner's name, organization, email, and address. In many modern WHOIS records, this information is redacted or replaced with proxy details to protect privacy. A domain owner lookup will show "REDACTED FOR PRIVACY" when protection is enabled.
Status Codes
EPP status codes describe the domain's current state. The most common is clientTransferProhibited, which means the domain is locked and cannot be transferred to another registrar without the owner first unlocking it.
Why Is WHOIS Data Redacted?
If you have ever run a WHOIS lookup and seen "REDACTED FOR PRIVACY" in place of owner details, you are not alone. Since the European Union's General Data Protection Regulation (GDPR) took effect in May 2018, domain registrars worldwide are required to protect the personal data of registrants by default.
ICANN's Temporary Specification for gTLD Registration Data, now a permanent policy, mandates that registrars mask registrant names, emails, phone numbers, and physical addresses in public WHOIS records. This means that even when you search for who owns this domain, the personal information behind most registrations is no longer visible.
Private WHOIS is not just a legal requirement. It is a practical safeguard. It protects domain owners against spam, identity theft, phishing attacks, and unsolicited sales contact. For businesses and individuals alike, WHOIS privacy is an essential layer of security.
Serverlys includes free WHOIS privacy protection with every domain registration: no add-ons, no hidden fees. Your personal details stay private from the moment you register. Register a domain with free privacy →
How to Contact a Domain Owner When WHOIS Is Private
When a domain owner lookup returns redacted contact details, you still have several options to reach the registrant. Here are the most effective approaches:
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Use the anonymous forwarding email. Most WHOIS records include a proxy email address provided by the registrar's privacy service. Messages sent to this address are forwarded to the domain owner without revealing their real email.
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Contact the registrar directly. You can reach out to the domain's registrar and request that they forward your message to the registrant on your behalf.
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Check the website itself. Visit the domain in your browser and look for a contact page, email address, or inquiry form. Many site owners provide direct contact information on their website even when WHOIS is private.
Looking to acquire a domain? We can help with domain transfers including negotiation support and managed migration to Serverlys.
Frequently Asked Questions
Common questions about WHOIS lookups and domain information.
Yes, our WHOIS lookup tool is completely free with unlimited searches. No account or registration is required. Simply enter a domain name and get instant results.
Many domain owners enable WHOIS privacy (also called domain privacy or ID protection) to shield their personal contact information from public view. When privacy is enabled, the registrar's proxy service information is displayed instead of the owner's real details.
WHOIS data is sourced directly from ICANN-accredited registrars and is generally up-to-date. However, registrants are responsible for keeping their information current. ICANN requires registrars to verify registrant data periodically, so the information is typically reliable.
Yes. If a WHOIS lookup returns no results or shows "No match for domain," it typically means the domain is available for registration. You can then register it through our domain registration service.
EPP (Extensible Provisioning Protocol) status codes indicate the state of a domain. Common codes include: "ok" (normal, active domain), "clientTransferProhibited" (transfer locked by the registrar), "serverHold" (domain suspended), and "pendingDelete" (domain is being deleted). These codes help understand what actions are permitted on the domain.
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