dnstoolbx

WHOIS Domain Lookup

Check domain registration information, ownership details, expiration dates, and nameservers with our free WHOIS lookup tool.

How to use in DNSToolbx:
  1. Click WHOIS in the sidebar.
  2. Enter the domain name you want to look up in the input box.
  3. Press the Check WHOIS button to view registration details.
The result will show registrar, creation/expiry dates, and contact info.

How WHOIS Works

WHOIS queries public databases to retrieve domain registration data, including registrar, creation/expiry dates, and contact info. Use it to verify domain ownership, check expiration, or investigate suspicious domains.

Typical Use Cases

  • Check who owns a domain
  • Find domain expiration dates
  • Investigate domain history