How to find the owner of a domain name

Whois is a public protocol and database that stores registration details for domain names: who owns it, when it was registered, which nameservers are used, the registrar, and (if not hidden) the owner's contact information.

By ICANN rules, domain owners must provide real contact details during registration. However, since 2018 (due to GDPR and similar privacy laws), most registrars offer Whois privacy protection (also called domain privacy or proxy service). This hides the owner's personal info and replaces it with the registrar's or a proxy contact.

Main Whois lookup services (check multiple for accuracy)

General-purpose tools (work for most TLDs):

• whois.icann.org — official ICANN lookup
• who.is — clean interface, shows registration history and changes
• whois.com — fast and straightforward
• whois.net — classic, reliable option

For specific TLDs:

• .xyz domains → nic.xyz/whois
• .my (Malaysia) domains → whois.mynic.my

How to use them:

1. Enter the domain name (without www)
2. Hit "Search", "Whois", or "Lookup"
3. Look for the Registrant Contact section (sometimes labeled Owner or Registrant)

If privacy is off, you'll see:

• Name / organization
• Email
• Phone
• Address

If privacy protection is enabled, you'll usually get a proxy email like proxy@privacyprotect.org or the registrar's contact. Email that address — your message will be forwarded to the real owner.

Alternative: email hunting (when Whois is hHidden)

If direct contacts are masked, try common email addresses on the domain itself. These are the most frequently used:

• admin@domain.com
• administrator@domain.com
• info@domain.com
• office@domain.com
• contact@domain.com
• support@domain.com
• billing@domain.com

Just send a polite email — if the address exists, the owner (or their team) will receive it.

Checking Whois from the command line (Linux/macOS or Windows WSL)

Open a terminal and run:

whois domain.com

You’ll get the full raw Whois output right in the console — great for copying or scripting.

Useful tips

• Whois data doesn’t update instantly — it can take 24–48 hours (or longer) after changes.
• Privacy protection is now the default for almost all new domains (thanks to GDPR, CCPA, etc.) — this is normal.
• Very new domains may not show complete data yet.
• Some country-code TLDs have their own rules and may limit or hide more information.