FQDN Tool

ℹ️ TLDs do not all implement RDAP and/or WHOIS (used as fallback) all in the same way, making parsing them unreliable in a first place. Thanks to GDPR and other data protection laws around the globe, the Registrant information is very rarely available.

πŸ“§ Mail (MX records)
🌐 Web (A/AAAA records)
πŸ”§ DNS (NS records)
βš™οΈ Domain (SOA records)
↗️ Redirect (CNAME records)
βœ… Verify (TXT records)

πŸ” Hover over domain results to see live previews of external websites. Previews are loaded directly in your browser and may display content from third-party sites that could be unsuitable for some users. Some websites may not display previews due to their own security settings.

🧠 How it works: Each selected variation type generates ~50 variations, which are pooled together and scored using our advanced phishing risk algorithm. The system then selects the top 5 most dangerous variations for checking across all TLDs.

⚠️ Please be reasonable with this option. It is resource-intensive, and the more options you check, the longer it will take. The service is set to timeout after 10 minutes. Each variation counts as one request.

Maximum 5 variation types allowed!

We're checking every TLD, save brand TLDs. This might take a bit of time, depending on the search. Do not refresh the page after clicking search.

Registrar lookups: May take longer and some TLDs may timeout. This is normal behavior.

Resolving domains...

Results

0 domains found
πŸ” Filter Results
Hold Ctrl/Cmd to select multiple
πŸ”§ Advanced Filtering: Use ! for NOT, & for AND, | for OR, () for grouping
Examples: example & com | !(spam) | (word & word2) & !(word3)
Domain ↕ Registrar ↕ Registrant ↕ Services ↕
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Invalid Domain Name

Please enter a valid domain name.

Valid domain names:

  • Only letters, numbers, and hyphens
  • No dots, spaces, commas, or special characters
  • Cannot start or end with hyphens
  • Maximum 63 characters
  • Cannot be all numbers
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