domaindex
Batch domain availability checker for 100+ TLDs
Details
- Follow on
- @ruguodev
- Target Audience
- Indie HackersSaaS FoundersEntrepreneurs
- Pricing
- Free
- Platforms
- Web
- Featured in
- Best Startup Naming Tools
About domaindex
domaindex is a batch domain availability checker for founders, indie makers, and developers. Enter one keyword and domaindex fires up to 30 parallel RDAP requests across 100+ TLDs โ results stream in as each registry responds, so slow TLDs never block fast ones. Click an available result to jump to registrar links; click a taken one to inspect the raw RDAP response. Built directly on RFC 7480 RDAP โ not scraped WHOIS, no third-party aggregators, no stale caches. Share queries via `?q=` URLs. No signup, no tracking.
Product Insights
This web-based tool provides instant batch domain availability checks across 100+ TLDs using parallel RDAP requests. It offers a free, no-registration environment for entrepreneurs to validate brand names by communicating directly with registries.
- Executes up to 30 parallel RDAP requests to prevent slow registries from blocking faster results.
- Eliminates stale data by using RFC 7480 RDAP standards instead of scraped WHOIS or aggregators.
- Provides a privacy-focused experience with no user tracking or account requirements.
- Supports over 100 TLDs with immediate registrar linking for available domain names.
Ideal for: Indie Hackers, SaaS Founders, and Entrepreneurs needing rapid domain validation for startup naming and product launches.
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Batch domain availability checker across 100+ TLDs, powered by RDAP.