TLDSweep

Live lookups across 1,437 top-level domains

One name, every extension

Type the name you want. We query every top-level domain in the IANA root zone in real time and tell you which ones are still free.

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Scope
60 TLDs will be scanned
Internationalized names are converted to punycode automatically. If you paste a full domain, only the first label is used.
AIAI NAMER

Stuck on a name?

Describe your project, get AI suggestions, and see which ones are still free to register.

  1. 01Describe it
  2. 02Get candidates
  3. 03Check availability
1,437
TLDs from the IANA root zone
1,206
TLDs with an RDAP endpoint
871
TLDs with a WHOIS server
DNS → RDAP → WHOIS
three layers, each a fallback

How it works

01
01

Three-layer live lookup

DNS for a fast verdict, then the registry's RDAP endpoint, then WHOIS as a fallback. Each layer stops as soon as it has an answer.

02
02

The whole root zone

The TLD list comes straight from IANA: 1,100+ new gTLDs and 300+ country codes, synced daily.

03
03

Evidence you can read

Every result can be expanded to the raw RDAP or WHOIS response, with registrar, creation and expiry dates.

WHOIS · RDAP

Check a single domain

IANA

TLD Encyclopedia

Registry, operator, WHOIS and RDAP servers and registration entry point for every extension.

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