🔎 WHOIS Lookup Guide
Find out who owns any domain, when it was registered, and when it expires. Essential knowledge for domain buyers.
Search Available Domains →What is WHOIS?
WHOIS (pronounced "who is") is a public database that stores registration information for every domain name on the internet. When someone registers a domain, their contact details, registration dates, and nameserver information are recorded in the WHOIS database.
Think of it like a phone book for the internet — it tells you who owns a domain, where it was registered, and when it expires. WHOIS data is maintained by domain registrars and accessible through lookup tools.
📋 What WHOIS Records Contain
🎯 Why Use WHOIS Lookup?
🔍 Check if a domain is truly available
Before buying, verify ownership status. Some domains appear available but are in a redemption period or pending delete.
⏰ Find expiring domains
Monitor WHOIS expiration dates to catch valuable domains when they drop. Expired domains with backlinks and traffic are gold.
💎 Research before buying premium domains
Check registration history, age, and previous ownership. Older domains with clean history are more valuable for SEO.
🛡️ Verify domain seller legitimacy
Before buying from a marketplace, verify the seller actually owns the domain via WHOIS records.
⚠️ Investigate spam or phishing sites
WHOIS data can help identify who's behind suspicious domains targeting your brand.
📊 Check competitor domains
See when competitors registered their domains, what registrar they use, and when domains expire.
🛠️ Best WHOIS Lookup Tools
ICANN Lookup FREE
Official ICANN WHOIS tool. The most authoritative source for domain registration data.
who.is FREE
Clean interface with DNS records, server info, and historical WHOIS data.
Whois.com FREE
Simple lookup with registrar details, nameservers, and expiration dates.
DomainTools FREEMIUM
Advanced WHOIS with historical records, reverse lookups, and monitoring. Pro features paid.
ViewDNS.info FREE
WHOIS plus reverse IP, DNS propagation, port scanner, and more.
🔒 WHOIS Privacy Protection
When you register a domain, your name, email, phone, and address become part of the public WHOIS record — unless you enable privacy protection. Here's how to stay safe:
Enable WHOIS privacy protection
Most registrars offer free WHOIS privacy that replaces your personal info with proxy data. Always enable it.
Use a registrar with free privacy
Namecheap, Cloudflare, Porkbun, and Google Domains all include WHOIS privacy at no extra cost.
Use a business address
If you can't use privacy protection (some TLDs don't allow it), use a business address instead of your home address.
Know the GDPR impact
Since GDPR (2018), most European registrars redact personal data from WHOIS by default. Many global registrars followed suit.
🏷️ Common Domain Status Codes
WHOIS records include EPP status codes that tell you exactly what state a domain is in:
clientTransferProhibitedTransfer locked by registrar — standard protection against unauthorized transfersserverTransferProhibitedTransfer locked by registry — usually during disputes or legal holdsredemptionPeriodDomain expired and is in a 30-day grace period before deletion — can be recovered for a feependingDeleteDomain will be deleted and available for registration in 5 daysactive / okDomain is registered and functioning normally — no restrictionsclientHoldDomain suspended by registrar — won't resolve in DNS (often due to non-payment)Ready to find your domain?
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