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Better Lookup

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library 1.4.1 ·javascript
verified Jun 7, 2026

An async DNS lookup function for Node.js that implements atomic cache operations using throttling to ensure only one write-procedure occurs for concurrent requests. Current stable version is 1.4.1, with regular updates. Unlike alternatives like cacheable-lookup or dns-lookup-cache, it guarantees atomicity and supports /etc/hosts file on both Unix and Windows. Ships TypeScript types and requires Node.js >=14.

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