domain-check

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What it does

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Universal domain availability engine written in Rust — CLI, library, and MCP server — with 1,200+ TLDs via IANA bootstrap, RDAP-first checks with WHOIS fallback, up to 100 concurrent lookups, pattern-based name generation, 11 curated presets (startup/tech/creative/finance/ecommerce), and JSON/CSV output with registrar and expiry info.