Domain Availability Checker
batch-query any keyword across every TLD.
enter a keyword or paste a domain / URL
500+TLDs indexed
30parallel queries
0signups required
100%RDAP protocol
how it works
[01]
type a keyword
Any word, brand name, or acronym — letters, digits, and hyphens only. Every TLD in your set gets queried simultaneously.
[02]
pick your TLDs
Choose from curated presets or build a custom set. Your selection is saved locally and shareable via URL.
[03]
get live results
30 parallel RDAP queries land in real time. Click any available domain to jump straight to a registrar.
TLD coverage
- Startup Picks.com.net.org.io.ai.app+12 more
- Create.design.studio.art.ink.photos.photography+5 more
- Publish.blog.news.press.media.page.site+4 more
- Sell.shop.store.com.co.online.market+4 more
- Regional.ar.br.ca.ch.cl.cn+20 more
- All gTLDs500+ generic top-level domains
- All ccTLDs250+ country-code top-level domains
what is domaindex?
a thin, fast index over RDAP. no account required, no registrar lock-in. pick a keyword — get back a man-page-style report of every TLD you care about.
- parallel queriesup to 30 RDAP requests in flight at once — results land as they resolve, not after the slowest TLD.
- one-click registrar handoffavailable domains link straight out to Namecheap, Porkbun, and GoDaddy — no copy-paste detour.
- custom suffix setpick from gTLDs, ccTLDs, and IDN suffixes. your selection is remembered locally — share the URL to share the query.
- no account requiredthe whole thing runs on cloudflare workers + D1. zero sign-up, zero telemetry, zero dark patterns.
