Bulk Domain Availability
Checker & Radar
Powered by parallel recursive DNS and authoritative registry RDAP fallback. Check 10,000 domains without timeouts or captchas.
| # | Domain Name | TLD | Availability Status | Verification Tier | Latency | Registrar Buy Links |
|---|
How DOA Domains Bulk Engine Works
Quad-DNS Probing
Checks NS, A, AAAA, and SOA records across parallel resolvers (Cloudflare, Google, Quad9, OpenDNS). Active records confirm the domain is taken within ~30ms.
Authoritative RDAP Verification
For NXDOMAIN responses, the engine queries authoritative registry endpoints (e.g. Verisign RDAP for .com/.net) to distinguish between parked/unconfigured domains and genuine available names.
Live Streaming & 1-Click Purchase
Results stream in real time via Server-Sent Events (SSE). Export clean lists with 1-click or register directly on Porkbun, Namecheap, Dynadot, and GoDaddy.